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🌊 Marine Least Concern 🌡️ Temperate

Obliquogobius Yamadai

Obliquogobius yamadai Shibukawa & Aonuma, 2007
Max Length
5.2 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
99–165 m
Climate
Temperate
Resilience
High
Vulnerability
12.00/100
Typical Length
Depth Zone
demersal

📖 Overview

It has been suggested that some specimens were possibly captured from sandy or sandy-mud bottoms in the center and/or western parts of Tosa Bay at the depths of 30-100 m .

Scientific Name
Obliquogobius yamadai
Authority
Shibukawa & Aonuma, 2007
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
5.2 cm
Depth Range
99–165 m
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 9; Vertebrae: 26. This species is distinct from its congeners in having the following characters: second dorsal-fin rays I, 9-10 (almost always I, 9); anal-fin rays I, 9-10 (almost always I, 9); scaled cheek and pectoral-fin base; asymmetrical caudal fin, with fifth or sixth segmented ray slightly elongate and longest; head length (HL), 28.8-33.5% of SL; eye diameter 32.7-37.3% HL, 9.6-12.3% of SL; grayish body with about 7 narrow, transverse yellow bars (pale in preservation); absence of distinct black-and-white barred pattern on caudal fin .: elongated.

🌀 Behaviour

Behavioural data for Obliquogobius Yamadai is currently being reviewed.

🦐 Diet

Diet information for Obliquogobius Yamadai is currently being compiled.

🥚 Reproduction

Reproduction data for Obliquogobius Yamadai is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 99 - 165 m . Temperate Northwest Pacific: East China Sea and Japan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
5.2cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
9
Vertebrae
26

🌡️ 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
Shibukawa & Aonuma, 2007

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