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💧 Freshwater Data Deficient 🌡️ Tropical

Oryzias Uwai

Oryzias uwai Roberts, 1998
Max Length
1.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Oryzias Uwai (Oryzias uwai), first described by Roberts, 1998 is a tiny fish in the family Adrianichthyidae (order Beloniformes). Adults typically reach 1.60 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Oryzias uwai
Authority
Roberts, 1998
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
1.6 cm
Trophic Level
3
Resilience
Low
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 6 - 7; Anal soft rays: 18 - 21; Vertebrae: 25 - 28. Principal caudal fin rays 4/5.: elongated.

🌀 Behaviour

Behavioural data for Oryzias Uwai 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±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00437 × L3.11 (TL)
Max TL
1.6cm
Dorsal Rays
7
Anal Rays
20
Vertebrae
27

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Roberts, 1998

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