Oxyurichthys Rapa

📖 Overview

Oxyurichthys Rapa (Oxyurichthys rapa), first described by Pezold & Larson, 2015 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 5.70 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 1 metres. 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 Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 12 - 13; Anal spines: 1; Anal soft rays: 13. This species is distinguished by the following characters: D2 13 dorsal-fin elements and 14 anal-fin elements; upper jaw with a single row of teeth; fleshy tongue is rounded; upper lip is not constricted at the premaxillary symphysis; presence of a black spot on dorsoposterior surface of eye, without cirrus or cornification; anterior nares possess a dark anteromedial spot; presence of a broad dusky to dark brown area covering gular region beneath preopercle and anterior process of quadrate; dorsum scales without dark spots on posterior margin; mid-side with 4 oval to rounded dusky to brown blotches, interspersed with dusky spots and indistinct oblique bars, the fifth basicaudal blotch rounded to triangular; nape naked, with a low membranous crest; weak ctenoid scales laterally on trunk, reaching anterior to second dorsal-fin origin, scales cycloid anteriorly; naked prepelvic area; lateral scales 60–81 (modally 70); first dorsal-fin spines are elongate with filamentous tips, reaching fourth to eighth second dorsal-fin element when appressed in females, beyond second dorsal-fin, terminus in males; pectoral-fin rays 19-20; pelvic fins are blackish with pale frenum; first dorsal fin is dusky with 3 blackish lines crossing fin, leading edge of first spine black .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Oxyurichthys Rapa is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 1 m . Tropical

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🦠 Common Diseases

The following diseases are known to affect Oxyurichthys Rapa.

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute