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🌊 Marine Data Deficient 🌡️ Tropical

Ambon catshark

Akheilos suwartanai White, Fahmi & Weigmann, 2019
Max Length
53.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
40.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Depth of occurrence unknown. Stomach contained several anterior sections of a small snake eel (Ophichthidae) .

Scientific Name
Akheilos suwartanai
Authority
White, Fahmi & Weigmann, 2019
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
53.7 cm
Trophic Level
3.9
Resilience
Low
Vulnerability
40.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Akheilos
Akheilos
Species
Ambon catshark
Akheilos suwartanai

🐟 Physical Description

This moderately small scyliorhinid catshark is distinguished by the following set of characters: a moderately long precaudal tail region (tail much longer than trunk); dorsal fins are of similar size and shape; snout short and narrowly parabolic; eyes are large and narrowly oval (length 5.0 times in head length), broad suborbital grooves; nostrils are oblique with triangular anterior nasal flaps not reaching to mouth and distinct but low posterior nasal flaps; mouth is broadly rounded, its width 1.2 times preoral length; upper and lower labial furrows are well developed, uppers not reaching midpoint between mouth corner and posterior margin of nostril; jaws with ~60 upper and ~53 lower tooth rows, teeth are mostly multicuspid, posterolaterals not strongly differentiated from anterolaterals; caudal fin ventral lobe is low but distinct; claspers long and slender, glans elongate, long and low envelope present, cover rhipidion small without an anterior fold or tab, pseudosiphon small and slit-like; with supraorbital crests on cranium; precaudal vertebral centra 96, total centra ~137. Colouration: pale brown with numerous rusty brown spots, small brown spots forming two indistinct saddles on dorsal surface of predorsal body, broken ocellus-like marking on side behind pectoral fins and under each dorsal fin .Cross section: oval.

🌀 Behaviour

Behavioural data for Ambon catshark 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. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
53.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
3.9
Predator
Climate Zone
Tropical
Described By
White, Fahmi & Weigmann, 2019

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