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💧 Freshwater Data Deficient 🌡️ Tropical

Akysis Recavus

Akysis recavus Ng & Kottelat, 1998
Max Length
4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Akysis Recavus (Akysis recavus), first described by Ng & Kottelat, 1998 is a tiny fish in the family Akysidae (order Siluriformes). Adults typically reach 4.00 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 Data Deficient.

Scientific Name
Akysis recavus
Authority
Ng & Kottelat, 1998
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
4 cm
Trophic Level
3.4
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 5 - 6; Anal soft rays: 8 - 9; Vertebrae: 31 - 33. Distinguished from all its congeners by the following combination of characters: truncate caudal fin; presence of 4 serrae along posterior edge of pectoral spine; slightly concave lateral margins of the head when viewed dorsally; eyes located laterally with a suborbital depression; body depth at anus 8.9-13.5% SL; depth of caudal peduncle 6.1-8.6% SL; length of dorsal-fin base 13.1-22.1% SL; length of adipose-fin base 18.4-25.2% SL; and eye diameter 14-20% HL .: elongated.

🌀 Behaviour

Behavioural data for Akysis Recavus 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

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
4cm
Dorsal Rays
6
Anal Rays
9
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2010

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Ng & Kottelat, 1998

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