Scalyhead goby
📖 Overview
Scalyhead goby (Hazeus otakii), first described by Jordan & Snyder, 1901 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 6.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 20 to 35 metres. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. 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.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 10. Characterized by pale greyish brown with blackish blotch at upper rear margin of gill cover, longitudinal row of five, horizontally ovate to rectangular blackish blotches with smaller white spots between on side at level of pectoral fin base, first below spinous dorsal fin and last at midbase of caudal fin; back with about five diffuse saddles and numerous dark brown to blackish spots; white streak on middle of pectoral fin; first dorsal spine of each fin and sharp; fully united pelvic fins, frenum present; rounded caudal fin; longitudinal scale series 27; predorsal scales 7-8; ctenoid scales on body, becoming cycloid on head, pectoral fin base and prepelvic area; fully scaled cheek and opercle; depth of body 4.5-6.2 in SL .: elongated.
🌀 Behaviour
Behavioural data for Scalyhead goby is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; demersal; depth range 20 - 35 m . Temperate
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Scalyhead Goby |
| 🇯🇵Japanese | Yukatahaze · ユカタハゼ |
| 🇨🇳Chinese | 大瀧氏粗棘鰕虎 · 大瀧粗棘鰕虎魚 |
🦠 Common Diseases
The following diseases are known to affect Scalyhead goby.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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