Overview

Comprehensive Description

Attracted by baited traps, but caught also directly with slurp gun on and around, or sorted from vent mussel and clam washings. Most specimens had the midgut densely packed with bait food, and with the sternites ventrally extended.
  • BARNARD J.L. & C. INGRAM (1990) Smithson. Contrib. Zool. 499: 1-80.

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Distribution

Galapagos Spreading Center, East Pacific Rise.
  • BARNARD J.L. & C. INGRAM (1990) Smithson. Contrib. Zool. 499: 1-80.

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Physical Description

Morphology

(Family) Body compact, robust. Coxae generally large. Antenna 1 peduncle article 1 large, inflated, articles 2-3 much shorter, often telescoped. Mouthparts very variable. Gnathopod 1 simple, subchelate or chelate. Gnathopod 2 characteristic for the family, slender and microchelate. Pereopods 5- 7 basis usually broadly expanded. Telson variable. (Genus) Mandible with incisor ordinary, molar simple, palp attached opposite molar. Coxa 1 strongly shortened. Gnathopod 1 short, subchelate, palm transverse. Gnathopod 2, propodus greatly shorter than carpus, propodus minutely chelate. Telson elongate, cleft. (Species) Dactylus of gnathopod 1 scarcely overlapping palm. Epimera 3 rounded behind. Inner ramus of uropod 2 constricted. Telson weakly cleft.
  • BARNARD J.L. & C. INGRAM (1990) Smithson. Contrib. Zool. 499: 1-80.

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Size

Up to 12.6 mm.
  • BARNARD J.L. & C. INGRAM (1990) Smithson. Contrib. Zool. 499: 1-80.

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Type Information

Holotype for Hirondellea glutonis Barnard & Ingram
Catalog Number: USNM 195195
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Sex/Stage: female;
Preparation: Alcohol (Ethanol)
Year Collected: 1984
Locality: Thirteen Degree North Rift, Galapagos Islands, Ecuador, North Pacific Ocean
Depth (m): 2635 to 2635
Vessel: Cyana DSR/V
  • Holotype:
Creative Commons Attribution 3.0 (CC BY 3.0)

© Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology

Source: National Museum of Natural History Collections

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Ecology

Habitat

Depth range based on 6 specimens in 1 taxon.
Water temperature and chemistry ranges based on 6 samples.

Environmental ranges
  Depth range (m): 2500 - 2635
  Temperature range (°C): 1.824 - 2.075
  Nitrate (umol/L): 38.813 - 41.112
  Salinity (PPS): 34.668 - 34.669
  Oxygen (ml/l): 2.461 - 2.537
  Phosphate (umol/l): 2.785 - 2.812
  Silicate (umol/l): 155.611 - 160.712

Graphical representation

Depth range (m): 2500 - 2635

Temperature range (°C): 1.824 - 2.075

Nitrate (umol/L): 38.813 - 41.112

Salinity (PPS): 34.668 - 34.669

Oxygen (ml/l): 2.461 - 2.537

Phosphate (umol/l): 2.785 - 2.812

Silicate (umol/l): 155.611 - 160.712
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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