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💧 Freshwater Least Concern 🌡️ Subtropical

Hara Hara

Hara hara Hamilton, 1822
Max Length
13 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Hara Hara (Hara hara) is a ray-finned fish of the family Erethistidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 13 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Hara hara
Authority
Hamilton, 1822
Habitat
Freshwater
Climate
Subtropical
IUCN Status
LC
Max Length
13 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
34.00/100
Water Temp
12–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 5 - 6; Anal spines: 3; Anal soft rays: 6 - 7. Dorsal spine serrated along both edges; branched anal fin rays; interdorsal space 98.7 (87.5-106.1) % of adipose dorsal length; caudal peduncle height 40.1 (36.9-43.0) % of its length; equal lobe of caudal fin; maxillary barbels reaching posterior margin of pectoral base .

🌀 Behaviour

Behavioural data for Hara Hara 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 - 7.5; dH range: ? - 20. Subtropical; 12°C - 28°C

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00692 × L2.99 (TL)
Max TL
13cm
Dorsal Spines
1
Dorsal Rays
6
Anal Spines
3
Anal Rays
7

🌡️ Water Parameters & Tolerance

Temperature Range
12–28°C
pH Range
6–7.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Hamilton, 1822

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