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Coryphopterus dicrus Böhlke & Robins, 1960

Colon goby
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Coryphopterus dicrus   AquaMaps   Data sources: GBIF OBIS
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Image of Coryphopterus dicrus (Colon goby)
Coryphopterus dicrus
Picture by Itriago, H.


Trinidad and Tobago country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/td.html
National Fisheries Authority: http://www.cep.unep.org/trini_tbgo/fisheries/index.htm
Occurrences: Occurrences Point map
Main Ref: Ramjohn, D.D., 1999
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Coryphopterus: Greek, koryphe = summit + Greek, pteron = fin, wing (Ref. 45335).
  More on authors: Böhlke & Robins.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 3 - 20 m (Ref. 9710).   Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Atlantic: southern Florida in USA and Bahamas to southeastern Brazil (Ref. 51894).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL male/unsexed; (Ref. 7251)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 6; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 10; Vertebrae: 26. Pelvic frenum absent. Innermost pelvic-fin rays branched, connected to the ray of the opposite side by a basal membrane and smaller than immediately adjacent one (66 - 77% of its length). Elongate spine in the first dorsal fin absent. No spot above opercle (Ref. 52312). Two distinct dark spots, one above other, on pectoral fin base (Ref. 26938). With numerous small brown spots, the largest a series of 6 along lower side, and small pale blue-green flecks; horizontal dark lines on head, the most prominent posterior to eye; a vertical blackish line or two blackish spots at base of caudal fin (Ref. 13442).

Biology     Glossary (e.g. epibenthic)

Inhabits coral reefs, tide pools, limestone caves, algae-covered rocks and isolated patch reefs surrounded by white sand (Ref. 5521).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 01 March 2010

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; aquarium: commercial
FAO(Publication : search) | FishSource |

More information

Trophic ecology
Food items
Diet compositions
Food consumptions
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Predators
Ecology
Ecology
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Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
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Recruitments
Abundances
Life cycle
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Maturities
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Spawnings
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Egg(s)
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Distribution
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BRUVS - Videos
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Physiology
Body compositions
Nutrients
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Swimming type
Swimming speeds
Visual pigment(s)
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Toxicities (LC50s)
Genetics
Genetics
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Aquaculture profiles
Strains
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Stamps, coins, misc.
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Estimates based on models

Preferred temperature (Ref. 115969): 26 - 28.2, mean 27.4 (based on 697 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00333 - 0.01504), b=3.09 (2.92 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.7   ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Price category (Ref. 80766):   Very high.