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💧 Freshwater Critically Endangered

Northland mudfish

Neochanna heleios Ling & Gleeson, 2001
Max Length
11.8 cm
Max Weight
Lifespan
Trophic Level
3
Depth
Climate
💧 Freshwater
Resilience
High
Vulnerability
19.00/100
Typical Length
10 cm
Depth Zone
demersal

📖 Overview

Facultative air-breathing in the genus ; Inhabits ephemeral areas that dry out over summer and autumn months, where it aestivates in damp areas or under tree roots and logs .

Scientific Name
Neochanna heleios
Authority
Ling & Gleeson, 2001
Habitat
Freshwater
Body Shape
Elongated
IUCN Status
CR
Max Length
11.8 cm
Trophic Level
3
Resilience
High
Vulnerability
19.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 16; Anal spines: 0; Anal soft rays: 16 - 19; Vertebrae: 55 - 57. Jaw extends to posterior margin of the eye; eye is small; head displays a dorsal bulbous swelling behind eye, particularly in large individuals; caudal peduncle elongated. Principal caudal fin rays 11-13. Caudal fin rounded .: elongated.

🌀 Behaviour

Behavioural data for Northland mudfish is currently being reviewed.

🦐 Diet

Diet information for Northland mudfish is currently being compiled.

🥚 Reproduction

Reproduction data for Northland mudfish is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. High altitude

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.0049 × L3.12 (TL)
Max TL
11.8cm
Dorsal Rays
14
Anal Rays
18
Vertebrae
56

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Described By
Ling & Gleeson, 2001

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