Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Oxyurichthys: Greek, oxys = sharpen + Greek, oura = tail + Greek, ichthys = fish (Ref. 45335). More on author: Smith.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; demersal; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 0°C -
Western Indian Ocean: Inhaca, Mozambique to the Fish River mouth, South Africa; including Seychelles and Madagascar.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm TL male/unsexed; (Ref. 2798)
soft rays: 12. This species is distinguished by the following characters: D2 12; A 13; upper jaw teeth in 2-3 rows; tongue fleshy,truncate to bifurcate, not rounded; upper lip not constricted; absence of a dark spot, with cornification or tentacle on dorsoposterior surface of the eye; anterior nares not darkly pigmented; without spots on gular membrane beneath preopercle or anterior process of quadrate; no membranous crest on nape; scales are mostly ctenoid; lateral scales 27-34; in males spines of first dorsal fin elongate, with third and fourth spines of appressed fin reaching beyond second dorsal fin to near caudal-fin base; pectoral-fin rays 20-23; males with pelvic fins dusky while centrally dusky in females; neural arches incomplete over caudal vertebrae (Ref. 103856).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pezold, P.L. and H.K. Larson, 2015. A revision of the fish genus Oxyurichthys (Gobioidei: Gobiidae) with descriptions of four new species. Zootaxa 3988(1):1-95. (Ref. 103856)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 24.3 - 27.6, mean 26.9 °C (based on 70 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00490 - 0.01862), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.5 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 (14 of 100) .