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💧 Freshwater Data Deficient 🌡️ Tropical

Oryzias Pectoralis

Oryzias pectoralis Roberts, 1998
Max Length
2.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Oryzias Pectoralis (Oryzias pectoralis) is a ray-finned fish of the family Adrianichthyidae. It inhabits freshwater waters. This species can reach a maximum total length of 2.2 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Oryzias pectoralis
Authority
Roberts, 1998
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
2.2 cm
Trophic Level
3.1
Resilience
Low
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 6 - 7; Anal soft rays: 19 - 20; Vertebrae: 30. Principal caudal fin rays 5/6 ; upper half of pectoral fin base with black spot; relatively slender body .: elongated.

🌀 Behaviour

Behavioural data for Oryzias Pectoralis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Egg clusters are deposited among the vegetation.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00437 × L3.11 (TL)
Max TL
2.2cm
Dorsal Rays
7
Anal Rays
20
Vertebrae
30

🌡️ 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
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Roberts, 1998

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