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🌊 Marine Least Concern 🌡️ Subtropical

Scaleless spiny waspfsh

Ablabys gymnothorax Chungthanawong & Motomura, 2018
Max Length
8.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Scaleless spiny waspfsh (Ablabys gymnothorax) is a ray-finned fish of the family Tetrarogidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 8.3 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Ablabys gymnothorax
Authority
Chungthanawong & Motomura, 2018
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
8.3 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 16; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8 - 9; Vertebrae: 26. This species is distinguished by the following set of characters: D XVI,9; A III,8-9; pectoral-fin rays 12-13; total gill rakers 6, including rudiments; scale rows in longitudinal series 88-90 (mode 89); scale rows above lateral line 11-13; scale rows below lateral line 30-34; scale rows between sixth dorsal-fin spine base and lateral line 10-13; thorax no scales; interspinous dorsal-fin membranes weakly notched; last dorsal-fin soft ray joined posteriorly by membrane to dorsal edge of caudal peduncle and basal upper margin of caudal fin; vertebrae 9 + 17; head short, its length 27.7-29.5% (mean 29.2%) of SL; snout short, its length 5.6-6.8% (6.1%) of SL; orbit diameter 8.1-9.9% (8.9%) of SL; interorbital width 4.1-4.4% (4.2%) of SL; postorbital length 14.9-15.6% (15.2%) of SL; body depth 29.6-35.3% (31.1%) of SL; anal-fin base length 32.1-35.0% (32.9%) of SL; caudal-fin length 39.1-45.0% (42.6%) of SL; dorsal-fin rays and pelvic-fin spine long, second dorsal-fin spine length 39.0-48.5% (44.3%) of SL, third dorsal-fin spine length 35.8-40.8% (38.3%) of SL, fourth dorsal-fin spine length 25.4-30.6% (28.1%) of SL, fifth dorsal-fin spine length 19.1-24.7% (22.2%) of SL, sixth dorsal-fin spine length 17.4-19.6% (18.6%) of SL, penultimate dorsal-fin spine length 17.2-19.8% (18.9%) of SL, last dorsal-fin spine length 17.8-20.6% (19.5%) of SL, longest dorsal-fin soft ray length 24.2-29.9 % (28.2%) of SL, pelvic-fin spine length 12.7-14.9% (14.0%) of SL. Colouration: body uniformly brown, fins blackish (fresh and preserved specimens) .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Scaleless spiny waspfsh is currently being reviewed.

🦐 Diet

Diet information for Scaleless spiny waspfsh is currently being compiled.

🥚 Reproduction

Reproduction data for Scaleless spiny waspfsh is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range ? - 27 m . Subtropical central Vietnam.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.0195 × L3.03 (TL)
Max TL
8.3cm
Dorsal Spines
16
Dorsal Rays
9
Anal Spines
3
Anal Rays
9
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Chungthanawong & Motomura, 2018

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