Kei goby (Oxyurichthys keiensis), first described by Smith, 1938 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 7.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.
Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 12; Anal spines: 1; Anal 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 .: fusiform / normal; Cross section: compressed.
Behavioural data for Kei goby is currently being reviewed.
Marine; brackish; demersal. Tropical South Africa; including Seychelles and Madagascar.
The following diseases are known to affect Kei goby.
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