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💧 Freshwater 🌡️ Subtropical

Metahomaloptera Longicauda

Metahomaloptera longicauda Yang, Chen & Yang, 2007
Max Length
4.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Metahomaloptera Longicauda (Metahomaloptera longicauda), first described by Yang, Chen & Yang, 2007 is a tiny fish. Adults typically reach 4.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Metahomaloptera longicauda
Authority
Yang, Chen & Yang, 2007
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
4.4 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Metahomaloptera
Metahomaloptera
Species
Metahomaloptera Longicauda
Metahomaloptera longicauda

🐟 Physical Description

Dorsal soft rays (total): 11; Anal soft rays: 7. Dorsal fin insertion before the middle of body; pectoral fin reaching beyond the dorsal-fin origin; anal fin far from caudal-fin base; pelvic fin reaching beyond anus; head width 19.4-22.6% SL; pre-anal length 69.0-74.3% SL; caudal peduncle length 17.1-20.7% SL; caudal peduncle depth 33.7-43.1% caudal-peduncle length; eye diameter 14.6-16.6% HL; mouth width 63.2-75.5% SL body width at pectoral-fin origin; 8-9 blackish blotches along the median dorsal line from occipital region to base of caudal; pectoral fin expanding beyond the dorsal-fin origin; lateral line scale rows 66-78; branched pectoral rays 11-15; branched pelvic rays 10-12 . : elongated.

🌀 Behaviour

Behavioural data for Metahomaloptera Longicauda is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 6.0 - 6.0. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.06 (TL)
Max TL
4.4cm
Dorsal Rays
11
Anal Rays
7

🌡️ Water Parameters & Tolerance

pH Range
6–6
Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Yang, Chen & Yang, 2007

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