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💧 Freshwater Critically Endangered 🌡️ Tropical

Black mogurnda

Mogurnda furva Allen & Hoese, 1986
Max Length
12 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Black mogurnda (Mogurnda furva), first described by Allen & Hoese, 1986 is a small fish in the family Eleotridae (order Gobiiformes). Adults typically reach 12.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Critically Endangered.

Scientific Name
Mogurnda furva
Authority
Allen & Hoese, 1986
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
CR
Max Length
12 cm
Trophic Level
3.4
Resilience
High
Vulnerability
29.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 11 - 12; Anal spines: 1; Anal soft rays: 10 - 13; Vertebrae: 33. Distinguished by the following characters: dorsal rays VIII - I,11-12; anal rays I,10-13; pectoral rays 14-16; scales in lateral series 38-39; transverse scale rows 12-13; predorsal scales 20-26; postdorsal scales 11-12; gill rakers on first arch 2-3 + 8-9 = 10-12; total vertebrae 33; snout relatively elongate, concave, its length about 3.7 in head length; body depth at pelvic fin origin 23.2-23.7% of SL; color in alcohol overall dark brown, nearly black except anus and genital papilla whitish; fins blackish; juveniles (under 35 mm SL) tan to whitish with dense covering of contracted melanophores giving overall dusky coloration, fins blackish .: fusiform / normal.

🌀 Behaviour

Behavioural data for Black mogurnda is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical; 5°S - 6°S known only from Lake Kutubu, Papua New Guinea, where it is apparently rare.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.08 (TL)
Max TL
12cm
Dorsal Spines
9
Dorsal Rays
12
Anal Spines
1
Anal Rays
12
Vertebrae
33

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Allen & Hoese, 1986

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