Overview

Distribution

Western Indian Ocean: Comores, Seychelles, Cargados Carajos, Réunion and Mauritius (western Mascarenes), Chagos Archipelago.
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Western Indian Ocean: appears to be restricted to the islands of the western and central Indian Ocean.
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Physical Description

Morphology

Dorsal spines (total): 15 - 16; Dorsal soft rays (total): 8 - 11; Analspines: 1; Analsoft rays: 17 - 19
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Size

Max. size

2.9 cm SL (male/unsexed; (Ref. 57774))
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Diagnostic Description

Dorsal fin III+XII-XIII+8-11 (usually III+XIII+9-10); anal fin I,17-19 (usually 18-19 rays); pectoral fins 15: 2+7+6 (occasionally 3+6+6); lateral line with 14-16 (usually 15) pored scales and 19-23 (usually 20-21) notched scales, notched segment starting next scale row below end of pored segment, below mid-second dorsal fin. Total lateral scales 33; transverse scales 3/5. Vertebrae 10+25. Mandibular pores 3+2+3. Head length 3.1-3.6, body depth 5.4-5.9 in SL;eye 2.7-3.2 in head length. A medium-sized species of Enneapterygius (less than 30 mm SL). Nape scaled, body scales continuing to bases of dorsal and anal fins; belly naked. Pelvic-fin rays not united by membrane. First dorsal fin equal in height to second, second about 70% of body depth. Simple, lobate orbital and anterior nasal cirri present. Supratemporal sensory canal slightly curved. Tongue triangular and sharply pointed; maxilla reaches vertical throughanterior margin of pupil; broad band of teeth in upper and front of lower jaw; palatines without teeth. Spines of first dorsal fin with small, laterally projecting spinelets (Ref. 57774).
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Type Information

Paratype for Enneapterygius gruschkai Holleman
Catalog Number: USNM 357607
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, T. Fraser, C. Smith & et al.
Year Collected: 1976
Locality: Agalega Islands: off northwest shore of North Island (same as VGS 76-27 except closer to shore - shallower)., North Island, Mauritius, Agalega Islands, Indian
Depth (m): 11 to 13
  • Paratype: Holleman, W. 2005. Smithiana: Bulletin. 5: 11, Fig. 10.
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Paratype for Enneapterygius gruschkai Holleman
Catalog Number: USNM 357596
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, T. Fraser, C. Smith & et al.
Year Collected: 1976
Locality: Agalega Islands, North Island, about 0.5 mi SW from north end (a little farther offshore than 76-24)., North Island, Mauritius, Agalega Islands, Indian
Depth (m): 8 to 8
  • Paratype: Holleman, W. 2005. Smithiana: Bulletin. 5: 11, Fig. 10.
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Paratype for Enneapterygius gruschkai Holleman
Catalog Number: USNM 357601
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, T. Fraser & C. Smith
Year Collected: 1976
Locality: Off northern tip of St Brandon's Shoals (contiguous portion)., Cargados Carajos Shoals (Saint Brandon Rocks), Mauritius, Mascarene Islands, Indian
Depth (m): 6 to 11
  • Paratype: Holleman, W. 2005. Smithiana: Bulletin. 5: 11, Fig. 10.
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Paratype for Enneapterygius gruschkai Holleman
Catalog Number: USNM 357608
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, T. Fraser, C. Smith & et al.
Year Collected: 1976
Locality: Agalega, North Island, about half mile southwest of tip., North Island, Mauritius, Agalega Islands, Indian
Depth (m): 8
  • Paratype: Holleman, W. 2005. Smithiana: Bulletin. 5: 11, Fig. 10.
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Paratype for Enneapterygius gruschkai Holleman
Catalog Number: USNM 357604
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, T. Fraser, C. Smith & et al.
Year Collected: 1976
Locality: St Brandon's Shoals: Off northwest shore Albatross Island,, Albatross Island, Cargados Carajos Shoals (Saint Brandon Rocks), Mauritius, Mascarene Islands, Indian
Depth (m): 18
  • Paratype: Holleman, W. 2005. Smithiana: Bulletin. 5: 11, Fig. 10.
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Paratype for Enneapterygius gruschkai Holleman
Catalog Number: USNM 357611
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): V. Springer, T. Fraser, C. Smith & et al.
Year Collected: 1976
Locality: St. Brandon's Shoals: Face and channels of reef along southeast side of Grande Passe., Cargados Carajos Shoals (Saint Brandon Rocks), Mauritius, Mascarene Islands, Indian
Depth (m): 6
  • Paratype: Holleman, W. 2005. Smithiana: Bulletin. 5: 11, Fig. 10.
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Paratype for Enneapterygius gruschkai Holleman
Catalog Number: USNM 357612
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): H. Fehlmann & C. Rhyne
Year Collected: 1967
Locality: Indian Ocean: Chagos Archipelago, Diego Garcia Atoll, E. Side of West I. At NW Sector of Atoll., Diego Garcia Atoll, Chagos Archipelago, British Indian Ocean Territory, Indian
Depth (m): 3
  • Paratype: Holleman, W. 2005. Smithiana: Bulletin. 5: 11, Fig. 10.
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Ecology

Habitat

Environment

demersal; marine; depth range ? - 8 m (Ref. 57774)
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Depth range based on 13 specimens in 1 taxon.
Water temperature and chemistry ranges based on 8 samples.

Environmental ranges
  Depth range (m): 3 - 18
  Temperature range (°C): 26.041 - 28.006
  Nitrate (umol/L): 0.355 - 0.402
  Salinity (PPS): 34.563 - 34.925
  Oxygen (ml/l): 4.503 - 4.713
  Phosphate (umol/l): 0.220 - 0.241
  Silicate (umol/l): 3.061 - 4.752

Graphical representation

Depth range (m): 3 - 18

Temperature range (°C): 26.041 - 28.006

Nitrate (umol/L): 0.355 - 0.402

Salinity (PPS): 34.563 - 34.925

Oxygen (ml/l): 4.503 - 4.713

Phosphate (umol/l): 0.220 - 0.241

Silicate (umol/l): 3.061 - 4.752
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Enneapterygius gruschkai

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Wikipedia

Enneapterygius gruschkai

Enneapterygius gruschkai is a species of triplefin blenny in the genus Enneapterygius.[1] It was described by Holleman in 2005.

References

  1. ^ Enneapterygius gruschkai at www.fishbase.org.
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