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Diadromous Data Deficient 🌡️ Tropical

Typhlachirus Lipophthalmus

Typhlachirus lipophthalmus Károli, 1882
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs on soft muddy-slit substrate. Caught as bycatch of Macrobrachium rosenbergii fishery with the use of a method called 'Belat' (net length ca15 m, mesh about 4-5 cm wide) held in place by long wooden stakes laid around a shallow dip in the river bank during low tide, and left for one tidal cycle before retrieval .

Scientific Name
Typhlachirus lipophthalmus
Authority
Károli, 1882
Habitat
Diadromous
Climate
Tropical
IUCN Status
DD
Max Length
10 cm
Trophic Level
3.4
Resilience
High
Vulnerability
22.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Typhlachirus
Typhlachirus
Species
Typhlachirus Lipophthalmus
Typhlachirus lipophthalmus

🐟 Physical Description

Dorsal soft rays (total): 54; Anal soft rays: 39; Vertebrae: 34. This small-sized sole (largest reported size at least 14.0 cm SL) have no external eyes visible on right side; body overall tear-drop shaped; head relatively long (head length 25.5 % SL) and, rounded, its width 127.6 % HL with deepest part of body (42.6 % SL; body depth at anus 36.8 % SL, located about at point about equal to 1/4 SL, the body gently tapering to caudal peduncle (with depth 6.2 % SL); pectoral fin on right side of body absent; all unpaired fins confluent; D 54; A 39; caudal-fin rays 12; pelvic-fin rays 3 on both left and right; no gill rakers on gill arches; 9 + 25 = 34 .Cross section: flattened.

🌀 Behaviour

Behavioural data for Typhlachirus Lipophthalmus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.07 (TL)
Max TL
10cm
Dorsal Rays
54
Anal Rays
39
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Károli, 1882

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