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💧 Freshwater Vulnerable 🌡️ Tropical

Amphilius Athiensis

Amphilius athiensis Thomson & Page, 2010
Max Length
16 cm
Max Weight
Lifespan
Trophic Level
3
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
40.00/100
Typical Length
Depth Zone

📖 Overview

Amphilius Athiensis (Amphilius athiensis) is a ray-finned fish of the family Amphiliidae. It inhabits freshwater waters. This species can reach a maximum total length of 16 cm. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Vulnerable on the IUCN Red List.

Scientific Name
Amphilius athiensis
Authority
Thomson & Page, 2010
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
VU
Max Length
16 cm
Trophic Level
3
Resilience
Medium
Vulnerability
40.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 8 - 10; Vertebrae: 38 - 40. Diagnosis: Amphilius athiensis is distinguished from all other species of the A. uranoscopus group by its distinctive colouration consisting of many small dark spots on its head, body, and fins, vs. head, body, and fins not finely spotted; it also differs from A. grandis by having longer inner mandibular barbels, 33.3-42.0% of head length vs. 20.2-33.6%, from A. chalei, A. cryptobullatus, A. krefftii, and A. uranoscopus by the absence of distinct pale patches at the origin and insertion of the dorsal fin, and from A. cryptobullatus and A. krefftii by its forked caudal fin vs. emarginate; it also differs from A. krefftii by its more elongate body with 38-40 total vertebrae, vs. short body with usually 36 total vertebrae; it also differs from A. chalei by having a deeper body, body depth at anus 11.1-15.3% of standard length vs. 8.9-10.8%, a deeper caudal peduncle, caudal peduncle depth 10.1-12.6% of standard length vs. 7.1-9.7%, and shorter caudal peduncle, caudal peduncle length 14.6-18.3% of standard length vs. 19.0-21.9%; it also differs from A. cryptobullatus by having normally developed bilateral bony swimbladder capsules, vs. bilateral bony swimbladder capsules extremely large . : elongated.

🌀 Behaviour

Behavioural data for Amphilius Athiensis is currently being reviewed.

🦐 Diet

Diet information for Amphilius Athiensis is currently being compiled.

🥚 Reproduction

Reproduction data for Amphilius Athiensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical known only from the Athi River system, Galana River basin in Kenya (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.0049 × L3.15 (TL)
Max TL
16cm
Dorsal Rays
7
Anal Rays
9
Vertebrae
39

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2022

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Thomson & Page, 2010

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