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🌊 Marine Least Concern 🌡️ Subtropical

Whiskered viviparous brotula

Alionematichthys piger Alcock, 1890
Max Length
8.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–12 m
Climate
Subtropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Occurs in holes and crevices of coralline and volcanic rock . Cryptic and solitary in shallow water (

Scientific Name
Alionematichthys piger
Authority
Alcock, 1890
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
8.4 cm
Depth Range
0–12 m
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 72 - 88; Anal soft rays: 55 - 70; Vertebrae: 40 - 45. This species is distinguished by the following characters: D 72-88; A 55-70; moderately large eyes (1.7-2.8%SL); slender body; blunt snout, many cirri; cheeks with scales and rarely 1-2 scales above opercular spine; with upper preopercular pore; outer pseudoclasper broad-based, large, often extending beyond hood when in resting position, while the inner one is small, with equal anterior and posterior lobes; otolith length to height 1.9-2.1, with gently curved dorsal rim; otolith length to sulcus length 1.5-1.6, ostium length to caudal length 3.5-4.5; vertebrae 11-12 + 29-33 = 40-45 . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Whiskered viviparous brotula is currently being reviewed.

🦐 Diet

Diet information for Whiskered viviparous brotula is currently being compiled.

🥚 Reproduction

Reproduction data for Whiskered viviparous brotula is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 12 m . Subtropical Central Pacific: Andaman Is.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.3±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
8.4cm
Dorsal Rays
80
Anal Rays
63
Vertebrae
43

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Alcock, 1890

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