Okinawa flap-headed goby
📖 Overview
Okinawa flap-headed goby (Callogobius okinawae) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 5 cm. It occurs at depths between 0 and 12 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 8. Body dark brown and clouded with black patches, color lighter on belly; dorsal fins with several series of spots; pectoral base with one dark patch on upper part; caudal brown; ventral and anal whitish. Longitudinal scales 44. Transverse scales 17. Maxillary does not reach eye. Head with several rows of papillae and dermal folds on snout, cheek and opercle. Several transversal folds under lower jaw. Longitudinal row of folds from corner of mouth and lower jaw are interrupted. No scales on nape anteriorly. First dorsal fin obtuse, middle rays longest; 2nd dorsal higher than the 1st, pointed posteriorly. Pectoral does not reach anal fin origin. Pelvic fin notched, connected by frenum and membrane. Caudal fin lanceolate.: fusiform / normal.
🌀 Behaviour
Behavioural data for Okinawa flap-headed goby is currently being reviewed.
🦐 Diet
Diet information for Okinawa flap-headed goby is currently being compiled.
🥚 Reproduction
Reproduction data for Okinawa flap-headed goby is currently being compiled.
🌍 Habitat & Distribution
Marine; brackish; reef-associated; depth range 0 - 12 m . Tropical; 30°N - 21°S north to the Ryukyu Islands; Marshall Islands in Micronesia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Okinawa Flap-headed Goby · Okinawa Goby · Tailspot Flaphead Goby · Tailspot Goby |
| 🇯🇵Japanese | Namerahaze · ナメラハゼ |
| 🇨🇳Chinese | 沖繩硬皮鰕虎 · 沖繩美鰕虎魚 |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Doryptena okinawae | Snyder | 1908 | Synonym |
| Macgregorella intonsa | Herre | 1927 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1 records indexed .
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