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🌊 Marine Data Deficient 🌡️ Subtropical

Zulu toadfish

Austrobatrachus iselesele Greenfield, 2012
Max Length
21.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

This species is not common and apparently choose holes into which it fits snugly. Feeds on whole mlluscs (Amalda optima, Colubraria c.f. castanea, Harpa queketti, Phalium labliatum, and Ranella sp. .

Scientific Name
Austrobatrachus iselesele
Authority
Greenfield, 2012
Habitat
Marine
Climate
Subtropical
IUCN Status
DD
Max Length
21.2 cm
Trophic Level
3.5
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Austrobatrachus
Austrobatrachus
Species
Zulu toadfish
Austrobatrachus iselesele

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 21 - 23; Anal soft rays: 15 - 18. This species is distinguished by the following characters: a foramen at the top of the pectoral-fin axil; no tentacles over the eye; fine lines and ridges on the snout, interorbital area, and on top of the head posterior to the orbit (true for the genus); body with distinct black spots on sides and pectoral-fin base; snout 5.0 % SL or greater; eye into caudal-peduncle depth 0.86-1.10 times .

🌀 Behaviour

Behavioural data for Zulu toadfish 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; reef-associated; depth range ? - 50 m . Subtropical South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.5
Food Items

whole mlluscs (Amalda optima, Colubraria c

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
21.2cm
Dorsal Spines
3
Dorsal Rays
22
Anal Rays
17

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Climate Zone
Subtropical
Described By
Greenfield, 2012

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