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  • 1
    Electronic Resource
    Electronic Resource
    NEW PREY SPECIES FOR NORTHWESTERN ATLANTIC HUMPBACK WHALES (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 13 (1997), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1997.tb00094.x
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  • 2
    Electronic Resource
    Electronic Resource
    STOMACH CONTENTS OF LONG-FINNED PILOT WHALES (GLOBICEPHALA MELAS) STRANDED ON THE U.S. MID-ATLANTIC COAST (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 13 (1997), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Ten prey taxa were recorded from the stomach contents of eight long-finned pilot whales (Globicepbala melas) independently stranded along the U.S. mid-Atlantic coast. Relative importance of prey species was determined by methods that incorporate prey frequencies of occurrence, proportions of numerical abundance, and proportions of reconstructed mass. Separate analyses of trace (free, durable body parts representing well-digested prey items) and non-trace (relatively intact prey specimens) food material were conducted in order to address biases caused by differential rates of digestion and passage through the gastrointestinal tract. Different measures of prey importance yielded varying results, but the long-finned squid (Loligo pealei) was the most important prey species regardless of how prey importance was defined. Fishes were relatively unimportant in the diet. Our results indicate that the diets of western North Atlantic long-finned pilot whales differ substantially from what has been previously reported in the literature and that results from food-habits studies that utilize different techniques may not be comparable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1997.tb00648.x
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  • 3
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    Food habits of Sowerby's beaked whales (Mesoplodon bidens) taken in the pelagic drift gillnet fishery of the western North Atlantic (2021)
    In:  frederick.wenzel@noaa.gov | http://aquaticcommons.org/id/eprint/14533 | 403 | 2014-02-14 21:51:39 | 14533 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-27
    Description: We describe the food habits of the Sowerby’s beaked whale(Mesoplodon bidens) from observations of 10 individuals taken as bycatch in the pelagic drift gillnet fishery for Swordfish (Xiphias gladius) in the western North Atlantic and 1 stranded individual from Kennebunk, Maine. The stomachs of 8 bycaught whales were intact and contained prey. The diet of these 8 whales was dominated by meso- and benthopelagic fishes that composed 98.5% of the prey items found in their stomachs and cephalopods that accounted for only 1.5% of the number of prey. Otoliths and jaws representing at least 31 fish taxa from 15 families were present in the stomach contents. Fishes, primarily from the families Moridae (37.9% of prey), Myctophidae (22.9%), Macrouridae (11.2%), and Phycidae (7.2%), were present in all 8 stomachs. Most prey were from 5 fish taxa: Shortbeard Codling (Laemonema barbatulum) accounted for 35.3% of otoliths, Cocco’s Lanternfish (Lobianchia gemellarii) contributed 12.9%, Marlin-spike (Nezumia bairdii) composed 10.8%, lanternfishes (Lampanyctus spp.) accounted for 8.4%; and Longfin Hake (Phycis chesteri) contributed 6.7%. The mean number of otoliths per stomach was 1196 (range: 327–3452). Most of the fish prey found in the stomachs was quite small, ranging in length from 4.0 to 27.7 cm. We conclude that the Sowerby’s beaked whales that we examined in this study fed on large numbers of relatively small meso- and benthopelagic fishes that are abundant along the slope and shelf break of the western North Atlantic.
    Keywords: Biology ; Ecology ; Fisheries
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 381-389
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  • 4
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    Food habits of Atlantic white-sided dolphins (Lagenorhynchus acutus) off the coast of New England (2021)
    In:  http://aquaticcommons.org/id/eprint/8794 | 403 | 2014-01-02 19:22:01 | 8794 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-27
    Description: Although the Atlantic white-sided dolphin (Lagenorhynchusacutus) is one of the most common dolphins off New England, little has been documented about its diet in the western North Atlantic Ocean. Current federal protection of marinemammals limits the supply of animals for investigation to those incidentally caught in the nets of commercial fishermen with observers aboard. Stomachs of 62 L. acutus were examined; of these 62 individuals, 28 of them werecaught by net and 34 were animals stranded on Cape Cod. Most of the net-caught L. acutus were from the deeper waters of the Gulf of Maine. A single stomach was from the continental slope south of Georges Bank. At least twenty-six fish species and three cephalopod species were eaten. The predominant prey were silver hake (Merluccius bilinearis), spoonarm octopus (Bathypolypus bairdii), andhaddock (Melanogrammus aeglefinus). The stomach from a net-caught L. acutus on the continental slope contained 7750 otoliths of the Madeira lanternfish (Ceratoscopelus maderensis). Sand lances (Ammodytes spp.) were the most abundant (541 otoliths) species in the stomachs of strandedL. acutus. Seasonal variation in diet was indicated; pelagic Atlantic herring (Clupea harengus) was the mostimportant prey in summer, but was rare in winter. The average length of fish prey was approximately 200 mm,and the average mantle length of cephalopod prey was approximately 50 mm.
    Keywords: Biology ; Ecology ; Fisheries
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 384-394
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  • 5
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    Food habits of Sowerby’s beaked whales (Mesoplodon bidens) taken in the pelagic drift gillnet fishery of the western North Atlantic (2013)
    National Marine Fisheries Service, NOAA
    Details
    Publication Date: 2022-05-25
    Description: This paper is not subject to U.S. copyright. The definitive version was published in Fishery Bulletin 111 (2013): 381-389, doi:10.7755/FB.111.4.7.
    Description: We describe the food habits of the Sowerby’s beaked whale (Mesoplodon bidens) from observations of 10 individuals taken as bycatch in the pelagic drift gillnet fishery for Swordfish (Xiphias gladius) in the western North Atlantic and 1 stranded individual from Kennebunk, Maine. The stomachs of 8 bycaught whales were intact and contained prey. The diet of these 8 whales was dominated by meso- and benthopelagic fishes that composed 98.5% of the prey items found in their stomachs and cephalopods that accounted for only 1.5% of the number of prey. Otoliths and jaws representing at least 31 fish taxa from 15 families were present in the stomach contents. Fishes, primarily from the families Moridae (37.9% of prey), Myctophidae (22.9%), Macrouridae (11.2%), and Phycidae (7.2%), were present in all 8 stomachs. Most prey were from 5 fish taxa: Shortbeard Codling (Laemonema barbatulum) accounted for 35.3% of otoliths, Cocco’s Lanternfish (Lobianchia gemellarii) contributed 12.9%, Marlin-spike (Nezumia bairdii) composed 10.8%, lanternfishes (Lampanyctus spp.) accounted for 8.4%; and Longfin Hake (Phycis chesteri) contributed 6.7%. The mean number of otoliths per stomach was 1196 (range: 327–3452). Most of the fish prey found in the stomachs was quite small, ranging in length from 4.0 to 27.7 cm. We conclude that the Sowerby’s beaked whales that we examined in this study fed on large numbers of relatively small meso and benthopelagic fishes that are abundant along the slope and shelf break of the western North Atlantic.
    Description: This work was funded by the Northeast Fisheries Science Center, Woods Hole, Massachusetts.
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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  • 6
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    Food habits of Atlantic white-sided dolphins (Lagenorhynchus acutus) off the coast of New England (2009)
    U.S. Dept. of Commerce, NOAA NMFS
    Details
    Publication Date: 2022-05-25
    Description: This paper is not subject to U.S. copyright. The definitive version was published in Fishery Bulletin 107 (2009): 384–394.
    Description: Although the Atlantic white-sided dolphin (Lagenorhynchus acutus) is one of the most common dolphins off New England, little has been documented about its diet in the western North Atlantic Ocean. Current federal protection of marine mammals limits the supply of animals for investigation to those incidentally caught in the nets of commercial fishermen with observers aboard. Stomachs of 62 L. acutus were examined; of these 62 individuals, 28 of them were caught by net and 34 were animals stranded on Cape Cod. Most of the net-caught L. acutus were from the deeper waters of the Gulf of Maine. A single stomach was from the continental slope south of Georges Bank. At least twenty-six fish species and three cephalopod species were eaten. The predominant prey were silver hake (Merluccius bilinearis), spoonarm octopus (Bathypolypus bairdii), and haddock (Melanogrammus aeglefinus). The stomach from a net-caught L. acutus on the continental slope contained 7750 otoliths of the Madeira lanternfish (Ceratoscopelus maderensis). Sand lances (Ammodytes spp.) were the most abundant (541 otoliths) species in the stomachs of stranded L. acutus. Seasonal variation in diet was indicated; pelagic Atlantic herring (Clupea harengus) was the most important prey in summer, but was rare in winter. The average length of fish prey was approximately 200 mm, and the average mantle length of cephalopod prey was approximately 50 mm.
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 7
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    Midwater fish data report : cold core rings time series cruises, Knorr 62, 65, and 71 and Endeavor 11 (2014)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: This data report is for midwater fishes taken on the time-series cruises in and around cold-core Gulf Stream rings in 1976 and 1977 - KNORR cruises 62, 65, and 71 and ENDEAVOR cruise 11. The MOCNESS-10 system was used for sampling on the three KNORR cruises. Most often, five nets were fished at each station; one (Net 0) generally sampled down to near 1000 m where the second net (Net 1) was opened and retrieval of the gear begun; successive closure-openings were done at 250-m intervals on the way up. On ENDEAVOR cruise 11, for want of a suitable winch, a single net was fished down to and up from 1000 m.
    Description: This work was done under Contract N00014-79-C-0071 NR083-004 and its predecessors with the Office of Naval Research.
    Keywords: Knorr (Ship : 1970-) Cruise KN62 ; Knorr (Ship : 1970-) Cruise KN65 ; Knorr (Ship : 1970-) Cruise KN71 ; Endeavor (Ship: 1976-) Cruise EN11 ; Fishes ; Ocean currents
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 8
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    Ceratoscopelus maderensis : pecular sound-scattering layer identified with this myctophid fish (2015)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: Reprint. Science, vol. 160, no. 3831, 1968, pp. 991-993. Originally issued as Reference No. 68-58, series later renamed WHOI-.
    Description: A sound- scattering layer, composed of discrete hyperbolic echo-sequences and apparently restricted to the Slope Water region of the western North Atlantic, has been identified from the Deep Submergence Research Vehicle ALVIN with schools of the myctophid fish Ceratoscopelus maderensis. By diving into the layer and using ALVIN's echo-ranging sonar, we approached and visually identified the sound scatterers. The number of echo sequences observed with the surface echo-sounder (1 /23. 76 x 105 cubic meters of water) checked roughly with the number of sonar targets observed from the submarine (1/7. 45 x 105 cubic meters) . The fish schools appeared to be 5 to 10 meters thick, 10 to 100 meters in diameter, and on centers 100 to 200 meters apart. Density within schools was estimated at 10 to 15 fish per cubic meter.
    Description: Supported in part by contracts Nonr-3484(00) and Nonr-4029(00) and by NSF grant GB-4431.
    Keywords: Alvin (Submarine) ; Lanternfishes ; Echo scattering layers
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 9
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    Data report for Atlantic pelagic zoogeography (2011)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: This data report fulfils two functions. It (1) gives station data for 1022 midwater trawl collections made in the Atlantic Ocean between 1961 and 1974 by the writers and their colleagues (Table 1, Figure 1, and Appendix 1) and for 531 Atlantic neuston collections made between 1964 and 1974 (Table 2 and Appendix 2), and (2) gives the geographic coordinates for a set of boundaries that divides the Atlantic Ocean between the arctic-subarctic boundary and the subtropical convergence at 40°S into a system of faunal regions and provinces (Figure 2 and Appendix 3). The derivation of these boundaries is explained briefly.
    Description: Prepared for the National Science Foundation under Grant DES 74-23209.
    Keywords: Marine animals
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 10
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    Midwater fish data report for warm-core Gulf Stream rings cruises 1981-1982 (2014)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: This data report is for midwater fishes collected during the multidisciplinary Warm-Core Rings Program in 1981 and 1982. Stations were made in and near three warm-core rings on five cruises within a period of 14 months. On Atlantis II cruise 110 (September-October 1981) six stations were made in and around ring 81-D (age two months). Stations were made in the vicinity of ring 82-B on three cruises in 1982--twelve stations during Oceanus 118 (April) when the ring was two months old, 15 stations during Oceanus 121 (June) at age four months, and 19 stations during Oceanus 125 (August) at age 5.5 months. Finally, twelve stations were made in and near meander/ring 82-H (age 0) during Knorr 98 in September/October 1982 (Tables 1-10). The collections were made with a new midwater trawl - the MOCNESS-20 (MOC-20) (Wiebe et al., 1985), a scaled-up version of the MOCNESS-1 (an apparatus for collecting zooplankton; Wiebe et al., 1976) and successor to the MOCNESS-10 (like the MOC-20, a midwater trawl). (The number forming the distinctive part of the name of these nets is equal to the area of the projected mouth in square meters when the apparatus is in a common fishing attitude.) The MOC-20 consists of a set of 3-mm mesh rectangular nets that can be opened and closed by command from the surface via a signal-conducting towing warp. Apparatus attached to the net frame measures and transmits depth, temperature, conductivity, flow, and net-frame angle to the towing ship's laboratory. Flow (net speed), vertical velocity, and net-frame angle allow computation of the water volume filtered . On the WCR cruises a set of five or six nets was used. One net (not used for quantitative analyses) was fished down to 1000 m, then closed and a second net opened. The second and successive nets were closed and opened sequentially at intervals as the apparatus was brought back to the surface. A surface-to-surface cycle with the gear is referred to as a station, the contents of a single net as a collection. In addition to be1ng described by latitude and longitude, stat1ons are located in the same radial coordinate system used to composite the warm-core rings physical data, that is, by distance and bearing from the moving ring center.
    Description: Funding was provided by the National Scten.ce Foundation under Grant Numbers OCE 80-17270 and OCE 86-20402.
    Keywords: Atlantis II (Ship : 1963-) Cruise AII110 ; Oceanus (Ship : 1975-) Cruise OC118 ; Oceanus (Ship : 1975-) Cruise OC121 ; Water masses ; Fishes ; Oceanus (Ship : 1975-) Cruise OC125 ; Knorr (Ship : 1970-) Cruise KN98
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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