Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Ctenogobius: Greek, kteis, ktenos = comb + Latin, gobius = gudgeon (Ref. 45335); phenacus: Name from Greek phenacus meaning a cheat or impostor; referring to the fish which is easily mistaken for darter goby.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; demersal; depth range - 2 m (Ref. 33570), usually - m (Ref. ). Tropical; 0°C -
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southwest Atlantic: Puerto Cabello, Venezuela, mouth of Corantijn River in Surinam, and mouths of Cayenne and the Mahury rivers in French Guiana.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.2 cm SL male/unsexed; (Ref. 33570)
Morphology | Morphometrics
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.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pezold, F. and C.R. Gilbert, 1987. Two new species of the gobiid fish genus Gobionellus from the western Atlantic. Copeia 1987(1):169-175. (Ref. 33570)
IUCN Red List Status (Ref. 124695)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 26.9 - 28.2, mean 27.5 °C (based on 119 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00444 - 0.02358), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±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.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .