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💧 Freshwater Near Threatened 🐠 Aquarium 🌡️ Temperate

Tachysurus Aurantiacus

Tachysurus aurantiacus Temminck & Schlegel, 1846
Max Length
16.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Tachysurus Aurantiacus (Tachysurus aurantiacus), first described by Temminck & Schlegel, 1846 is a medium-sized fish in the family Bagridae (order Siluriformes). Adults typically reach 16.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate 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 Near Threatened.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Bagridae kept in the hobby.

Scientific Name
Tachysurus aurantiacus
Authority
Temminck & Schlegel, 1846
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
NT
Max Length
16.5 cm
Trophic Level
3.5
Resilience
High
Vulnerability
29.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 6 - 7; Anal spines: 0; Anal soft rays: 17 - 22. Closely resembles P. nudiceps, but distinguished by its caudal fin that is slightly notched posteriorly.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Tachysurus Aurantiacus 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. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L2.92 (TL)
Max TL
16.5cm
Dorsal Spines
1
Dorsal Rays
7
Anal Rays
20

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Temminck & Schlegel, 1846

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