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💧 Freshwater Least Concern 🌡️ Tropical

Doumea Thysi

Doumea thysi Skelton, 1989
Max Length
6.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Doumea Thysi (Doumea thysi) is a ray-finned fish of the family Amphiliidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 6.6 cm. With a trophic level of 3.1, 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
Doumea thysi
Authority
Skelton, 1989
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
6.6 cm
Trophic Level
3.1
Resilience
High
Vulnerability
29.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 8 - 11. Diagnosis: caudal peduncle long and moderately compressed, narrowest at base of caudal fin . Caudal-peduncle length comprised 4.5-5.2 times in standard length, its depth comprised 2.5-4 times in its length . Distance from head to dorsal fin 0.7-1.0 times the head length; posterior nostrils at same distance from eyes than anterior nostrils from snout tip . : elongated.

🌀 Behaviour

Behavioural data for Doumea Thysi 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. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
6.6cm
Dorsal Rays
7
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Skelton, 1989

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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