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  • 2020-2024  (7)
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  • 1
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    Oocyte measurements of female Japetella diaphana (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-12
    Description: This dataset contains measurents of the female Japetella diaphana specimens used in the study.
    Keywords: Condition; Counted; Deep-sea; Identification; Japetella diaphana; lifespan; Maturation stage; Observation; Octopodiformes; Oocyte, length; Oocyte, width; Oocytes; Sample ID; Species; vampire squid
    Type: Dataset
    Format: text/tab-separated-values, 20428 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Beak increment widths of Japetella diaphana and Vampyroteuthis infernalis (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-12
    Description: This dataset contains measurements of the increment widths from a few random select specimens used in the study.
    Keywords: Beak region; Beaks; Deep-sea; Identification; Increment; Japetella diaphana; lifespan; Octopodiformes; Sex; Species; vampire squid
    Type: Dataset
    Format: text/tab-separated-values, 27615 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    Beak measurements of Japetella diaphana and Vampyroteuthis infernalis (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-12
    Description: This dataset contains the measurements of the species' upper and lower beaks dimensions (length, height, width).
    Keywords: Beak, height; Beak, length; Beak, mass; Beak, width; Beak hood, length; Beak rostrum, length; Beaks; Deep-sea; Identification; Japetella diaphana; Length, mantle; lifespan; Mass; Maturation stage; Octopodiformes; Sex; Species; vampire squid
    Type: Dataset
    Format: text/tab-separated-values, 1751 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Measurements on Japetella diaphana and Vampyroteuthis infernalis (size, weight, beak, oocyte) (2020)
    PANGAEA
    Details
    Publication Date: 2023-09-26
    Description: The dataset contain biological information (sex, sizes, weights, beak increments number) from Japetella diaphana and Vampyroteuthis infernalis collected during research cruises from different institutions (GEOMAR, NOAA-NWFSC, MBARI). The data is part of Richard Schwarz his Ph.D. thesis on age and growth of deep-sea and Antarctic octopods. The data sets were used in the publication "Life history traits of the deep-sea pelagic cephalopods Japetella diaphana and Vampyroteuthis infernalis" (https://doi.org/10.1016/j.dsr.2020.103365). The main dataset is https://doi.pangaea.de/10.1594/PANGAEA.924103 which contains biological and capture data of the specimens used in the study. Information in all datasets can be linked using the specimens "ID" number.
    Keywords: Beaks; Deep-sea; Japetella diaphana; lifespan; Octopodiformes; vampire squid
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Biological data of Japetella diaphana and Vampyroteuthis infernalis (size, weight, capture dates, depth) (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Description: This dataset contains biological and capture data of the specimens used in the study. Information is related to several cruises that collected Vampyroteuthis infernalis and Japetella diaphana between 2006 and 2017. Animals examined in the Santa Barbara Museum of Natural History (SBMNH) were collected between 1964 and 1995.
    Keywords: ASPI; Beak, mass; Beaks; Bottom trawl; BT; Collection; Date/Time of event; Davidson Expedition Exploring Ancient Coral Gardens; Deep-sea; DEPTH, water; Detritus sampler; DSROV; Eastern Central Atlantic Ocean; Error; Event label; Gear; Gonad, mass; Gonadosomatic index; Gulf of California; Gulf of California 2015, Leg 2 - Midwater Ecology; Gulf of California Expedition 2012 Midwater Biology; Identification; Increment number; Japetella diaphana; Latitude of event; Length, mantle; Length, total; lifespan; Location; Longitude of event; Maria S. Merian; Mass; Maturation stage; MBARI_BigOne; MBARI_D315-1; MBARI_D315-2; MBARI_Died-MBA; MBARI_Trawl002_GOC_02-032-GOC; MBARI_Trawl002_GOC_02-033-GOC; MBARI_Trawl005_GOC_05-090-GOC; MBARI_Trawl3-1-15_Trawl006_GOC; MBARI_V3595; MBARI2006_Davidson; MBARI2006_T944; MBARI2010_D183; MBARI2010_MidwaterEcology; MBARI2011_D241-SS6; MBARI2011_MidwaterEcology; MBARI2012_D333-D1; MBARI2012_D336; MBARI2012_D336-S1; MBARI2012_D339-D5; MBARI2012_D339-D7; MBARI2012_D339-SS2-D6; MBARI2012_D340; MBARI2012_D340-SS8; MBARI2012_D342-d10; MBARI2012_MidwaterBiology; MBARI2013; MBARI2013_D548-D12; MBARI2015_D710-D6_01-019-GOC; MBARI2015_D711-D1; MBARI2015_D713-D8_04-042-GOC; MBARI2015_D713-SS8_04-041-GOC; MBARI2015_D713-SS9_04-040-GOC; MBARI2015_D714-D5_04-056-GOC; MBARI2015_D714-SS6_05-067-GOC; MBARI2015_D715-D5_04-062-GOC; MBARI2015_D715-D8_04-063-GOC; MBARI2015_D716-D12_04-064-GOC; MBARI2015_D716-D8_D5-65-GOC; MBARI2015_D717-D11_06-092-GOC; MBARI2015_D717-D12_06-091-GOC; MBARI2015_D718-D11_06-133-GOC; MBARI2015_D718-D5_06-134-GOC; MBARI2015_D718-SS7_06-135-GOC; MBARI2015_D719-D10_07-143-GOC; MBARI2015_D719-D12_07-144-GOC; MBARI2015_Leg2; Midwater Ecology Expedition; Midwater Ecology Expedition 2011; Midwater Ecology Fall 2013 Expedition; Midwater trawl; MOC1; MOC10; MOCNESS opening/closing plankton net 10 sqm; MOCNESS opening/closing plankton net 1 sqm; MSM49; MSM49_584-2; MSM49_585-14; MSM49_586-6; MSM49_588-1; MSM49_591-1; MSM49_593-1; MSM49_602-11; MSM49_602-8; MSM49_603-5; MSM49_603-7; MSM49_604-2; MSM49_604-3; MSM49_604-4; MSM49_604-8; MWT; North Pacific Ocean; Octopodiformes; OSU-MT2439#5; Platform; PS1-95_trawl-20; Sampling; SBMNH_45791; SBMNH 42206; SBMNH 42208; SBMNH 45791; SBMNH 461854; SBMNH 461860; SBMNH 461862; SBMNH 464049; SBMNH 465340; SBMNH 470894; SBMNH 470897; SBMNH 471231; SBMNH 471233; SBMNH 471236; SBMNH 471237; SBMNH 471238; SBMNH 471241; SBMNH 471243; SBMNH 471244; SBMNH 471248; SBMNH 471252; SBMNH 471253; SBMNH 471254; SBMNH 471260; SBMNH 471261; SBMNH 471267; SBMNH 471268; SBMNH 471269; SBMNH 471273; SBMNH 471274; SBMNH 471277; SBMNH 471278; SBMNH 471279; SBMNH 471280; SBMNH 471322; SBMNH 471342; SBMNH 471367; SBMNH 471374; SBMNH 471570; SBMNH 472237; Sex; South Atlantic Ocean; Species; Spermatophoric complex, mass; Station label; Suction sampler; Temperature, water; Testis, mass; vampire squid; Velero_10125-64; Velero_10199-64; Velero_10607-65; Velero_10898-66; Velero_10973-66; Velero_11167-66; Velero_11260-66; Velero_11302-67; Velero_11495-67; Velero_11750-67; Velero_11751-67; Velero_11764-67; Velero_11766-67; Velero_11768-67; Velero_11782-67; Velero_12006-68; Velero_12062-68; Velero_12142-68; Velero_12329-68; Velero_12345-68; Velero_13042-69; Velero_13392-69; Velero_13398-69; Velero_13399-69; Velero_13739-70; Velero_13740-70; Velero_13757-70; Velero_13763-70; Velero_13771-70; Velero_13992-70; Velero_14663-70; Velero_16787-71; Velero_27957-79; Velero_8933-63; Velero_V22-17; Velero_V22-3; Walther Herwig III; WCGBT2013; WCGBT2013_106; WCGBT2013_113; WCGBT2013_130; WCGBT2013_144; WCGBT2013_178; WCGBT2013_49; WCGBT2013_5; WCGBT2013_66; WCGBT2013_74; WCGBT2013_9; WCGBT2013_93; WCGBT2017; WCGBT2017_100; WCGBT2017_123; WCGBT2017_125; WCGBT2017_126; WCGBT2017_128_Excalibur; WCGBT2017_128_Julie; WCGBT2017_129; WCGBT2017_138; WCGBT2017_139; WCGBT2017_141; WCGBT2017_16; WCGBT2017_181; WCGBT2017_182; WCGBT2017_186; WCGBT2017_5; WCGBT2017_77; Western Flyer; WH383; WH383_311-90; WH383_315-04; WH383_318-87; WH383_321-90; WH383_327-96; WH383_330-99; WH383_333-102; WH383_337-106; WH383_340-109; WH383_341-110; WH383_352-121
    Type: Dataset
    Format: text/tab-separated-values, 4163 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    Life history traits of the deep-sea pelagic cephalopods Japetella diaphana and Vampyroteuthis infernalis (2020)
    Elsevier
    Details
    Publication Date: 2023-02-08
    Description: Highlights: • The pace of life of life of vampire squid and Japetella were examined. • Japetella diaphana and Vampyroteuthis infernalis have contrasting reproductive strategies. • Brooding in Japetella is estimated to last for two years in water temperature ~4 °C. • Feeding ecology and metabolic rates suggest non-daily deposition of beak growth increments. • Both species’ life-history traits suggest a slow pace of life and longer lifespans.The pelagic cephalopods Japetella diaphana and Vampyroteuthis infernalis are charismatic and widely distributed members of deep pelagic ecosystems. Their habitat temperatures, metabolic rates, feeding and reproductive strategies all together suggest that the pace of life in these species is reduced when compared to neritic octopod species, but information on longevity, growth rates and age estimations are absent to date. To estimate the pace of life in pelagic octopods, this study investigated size at maturity, reproductive strategy, and the number of growth-increments in the upper beak lateral walls (LWS) of J. diaphana (an octopod) and V. infernalis (a vampyromorph). Daily deposition of growth increments in hard body structures (e.g., beaks and stylets) has been validated experimentally in some temperate and tropical octopods, but remains unquantified and not yet validated for most deep-sea and high-latitude cephalopods. We used a diverse assemblage of specimens ranging from early juveniles to adults for both species. Mature J. diaphana had a mantle length (ML) of 53–144 mm and a body mass (BM) of 18–235 g. A brooding female of J. diaphana captured at 1352 m in the Gulf of California was carrying 1419 eggs in pre-organogenetic stage that measured ~2.5 mm in diameter. The size range of mature V. infernalis was ML 66–122 mm and BM 34–286 g. The number of growth increments in the beaks ranged from 21 to 207 in J. diaphana and from 89 to 375 in V. infernalis. If the growth increments are formed daily, like in tropical octopod species, age estimates are incongruent with the low metabolic rates and reproductive strategies of the two species. These observations suggest that growth increments may require more than one day to be formed. To better understand the life histories of invertebrates in the largest but least studied habitat on the planet, age and growth validation studies are critical.
    Type: Article , PeerReviewed
    Format: text
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  • 7
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    Rapid Range Expansion of a Marine Ectotherm Reveals the Demographic and Ecological Consequences of Short-Term Variability in Seawater Temperature and Dissolved Oxygen (2022)
    University of Chicago
    Details
    Publication Date: 2024-02-07
    Description: The distributions of marine ectotherms are governed by physiological sensitivities to long-term trends in seawater temperature and dissolved oxygen. Short-term variability in these parameters has the potential to facilitate rapid range expansions, and the resulting ecological and socioeconomic consequences may portend those of future marine communities. Here, we combine physiological experiments with ecological and demographic surveys to assess the causes and consequences of sudden but temporary poleward range expansions of a marine ectotherm with considerable life history plasticity (California market squid, Doryteuthis opalescens). We show that sequential factors related to resource accessibility in the core range—the buildup of large populations as a result of competitive release and climate-associated temperature increase and oxygen loss that constrain aerobic activity—may drive these expansions. We also reveal that poleward range expansion alters the body size—and therefore trophic role—of invading populations, with potential negative implications for socioeconomically valuable resident species. To help forecast rapid range expansions of marine ectotherms, we advocate that research efforts focus on factors impacting resource accessibility in core ranges. Determining how environmental conditions in receiving ecosystems affect body size and how body size is related to trophic role will help refine estimates of the impacts of future marine communities.
    Type: Article , PeerReviewed
    Format: text
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