Overview

Comprehensive Description

Biology

Found on live coral. Removes ectoparasites from other fishes. Monogamous (Ref. 52884). Has been reared in captivity (Ref. 35408).
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Distribution

Western Atlantic: Bahamas and Grand Cayman Islands.
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Western Central Atlantic: Bahamas and Grand Cayman Island.
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Physical Description

Morphology

Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 10 - 11; Analspines: 1; Analsoft rays: 10 - 11
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Size

Max. size

4.5 cm TL (male/unsexed; (Ref. 7251))
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Diagnostic Description

Whitish with two black stripes, one middorsal and the other lateral on head but passing to lower side on body, both ending in caudal fin; pale band separating two black stripes bright yellow on head, this band narrowing as it passes anteriorly, forming a V on top of snout with band of other side (Ref. 13442).
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Type Information

Paratype for Gobiosoma genie Bohlke & Robins
Catalog Number: USNM 202369
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Briggs, M. Bradbury & E. Bohlke
Year Collected: 1955
Locality: Bahamas: Great Bahama Bank; Rose I., Off Small Point On N Shore., Bahama Islands, Bahamas, Bahamian Archipelago, Atlantic
Depth (m): 5
  • Paratype: Bohlke, J. E. & Robins, C. R. 1968. Proceedings of the Academy of Natural Sciences of Philadelphia. 120 (3): 109, fig. 11.
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Paratype for Gobiosoma genie Bohlke & Robins
Catalog Number: USNM 202368
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): C. Chaplin, S. Waterman & J. Bohlke
Year Collected: 1957
Locality: Bahamas: Great Bahama Bank; Green Cay (N of Rose I.; Coral Head ca. 1/3 mi. N of Cay)., Bahama Islands, Bahamas, Bahamian Archipelago, Atlantic
Depth (m): 15 to 15
  • Paratype: Bohlke, J. E. & Robins, C. R. 1968. Proceedings of the Academy of Natural Sciences of Philadelphia. 120 (3): 109, fig. 11.
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Paratype for Gobiosoma genie Bohlke & Robins
Catalog Number: USNM 202367
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): C. Chaplin & H. Roberts
Year Collected: 1954
Locality: Bahamas: Great Bahama Bank; New Providence I.; N Shore, ca. 1 mi. E of Gambier., New Providence Island, Bahama Islands, Bahamas, Bahamian Archipelago, Atlantic
Depth (m): 3 to 3
  • Paratype: Bohlke, J. E. & Robins, C. R. 1968. Proceedings of the Academy of Natural Sciences of Philadelphia. 120 (3): 109, fig. 11.
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Ecology

Habitat

Environment

reef-associated; marine, usually 1 - 30 m (Ref. 27115)
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Depth range based on 9 specimens in 1 taxon.
Water temperature and chemistry ranges based on 8 samples.

Environmental ranges
  Depth range (m): 1 - 26.5
  Temperature range (°C): 26.706 - 27.537
  Nitrate (umol/L): 0.336 - 1.215
  Salinity (PPS): 34.880 - 36.594
  Oxygen (ml/l): 4.568 - 4.686
  Phosphate (umol/l): 0.046 - 0.176
  Silicate (umol/l): 1.960 - 2.602

Graphical representation

Depth range (m): 1 - 26.5

Temperature range (°C): 26.706 - 27.537

Nitrate (umol/L): 0.336 - 1.215

Salinity (PPS): 34.880 - 36.594

Oxygen (ml/l): 4.568 - 4.686

Phosphate (umol/l): 0.046 - 0.176

Silicate (umol/l): 1.960 - 2.602
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
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