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🌊 Marine Least Concern 🌡️ Temperate

Scalyhead goby

Hazeus otakii Jordan & Snyder, 1901
Max Length
6.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
20–35 m
Climate
Temperate
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Overview information for Scalyhead goby is currently being compiled by our editorial team.

Scientific Name
Hazeus otakii
Authority
Jordan & Snyder, 1901
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
6.5 cm
Depth Range
20–35 m
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🔬 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

Diet information for Scalyhead goby is currently being compiled.

🥚 Reproduction

Reproduction data for Scalyhead goby is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 20 - 35 m . Temperate

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
6.5cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Jordan & Snyder, 1901

🌐 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

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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