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Impostor goby (Ctenogobius phenacus) fish species and information / pictures of Impostor goby - Ctenogobius phenacus

Impostor goby (Ctenogobius phenacus) fish species information

Scientific Name
Ctenogobius phenacus

Common Name
Impostor goby

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 11; Anal spines: 1; Anal soft rays: 12. Eyes not reduced. In both sexes, the large jaw reaching posteriorly from one-half the diameter of the orbit to the end margin of the orbit. Upper part of the sides of the trunk with shoulder patch of melanophores and diagonal bars forming a V pattern. Ocelli on body and head absent. Tail elongated.

Classification

Classified By

Pezold & Lasala, 1987

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Gobies (Gobiidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: Puerto Cabello, Venezuela, mouth of Corantijn River in Surinam, and mouths of Cayenne and the Mahury rivers in French Guiana.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

2 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range 0 - 2 m (Ref. 33570)

Trophic Level

3.13 s.e. 0.39 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

3.2 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (10 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated