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🌊 Marine Data Deficient 🐠 Aquarium 🌡️ Subtropical

Amblyeleotris Japonica

Amblyeleotris japonica Takagi, 1957
Max Length
8.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–5 m
Climate
Subtropical
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs on the sandy bottom with scattered shell fragments and coral rubble. In association with the snapping shrimps, such as Alpheus bellulus or other alpheid shrimps .

Scientific Name
Amblyeleotris japonica
Authority
Takagi, 1957
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
DD
Max Length
8.5 cm
Depth Range
0–5 m
Trophic Level
3.3
Resilience
High
Vulnerability
16.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 14; Anal spines: 1; Anal soft rays: 14. Characterized by: D VI-I,14; A I,14, P1 20; P2 I, 5; LR 76; TR 25; Pred S 0. HL 3.9, BD 5.8, HW 7.6, Pred L 3.1, SD2L 1.8, SAL 1.8, CPD 9.4 all in SL. ED 3.9, Int 12.7, SnL 7.2 all in HL; mouth oblique, maxillary extending beyond vertical of midline of eye; snout obtuse; head roundish; body elongate and compressed; scales on body small cycloid anteriorly, becoming larger and ctenoid posteriorly; head and nape naked; pelvic frenum present, connecting membrane only on basal part of 5th ray in adult; body color pale yellow, with 5 dark brown bands, the 1st from nape to opercle, last on caudal peduncle; first dorsal dusky in lower part.; midline of 2nd dorsal with a yellow stripe; anal fin pale yellow, brown stripe along middle, lower part pale grey; caudal fin with a C-shaped, dark brown blotch .: elongated.

🌀 Behaviour

Behavioural data for Amblyeleotris Japonica is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 5 m . Subtropical Northwest Pacific: Japan and Taiwan; reported from HongKong.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
8.5cm
Dorsal Spines
7
Dorsal Rays
14
Anal Spines
1
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Takagi, 1957

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