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💧 Freshwater 🌡️ Tropical

Moramo ricefish

Oryzias moramoensis Utama, Mokodongan & Yamahira, 2024
Max Length
2.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
1–2 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs in headstream waters, including cascade waterfalls, to lower reaches, including small streams approximately 1-2 m deep with low flow and sandy and gravel substrates .

Scientific Name
Oryzias moramoensis
Authority
Utama, Mokodongan & Yamahira, 2024
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
2.6 cm
Depth Range
1–2 m
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 7 - 9; Anal spines: 0; Anal soft rays: 19 - 21; Vertebrae: 29 - 30. This species, a member of the Oryzias woworae species group, is distinguished by the following: live males with a bluish sheen on the body; differs from other species of the Oryzias woworae species group by the following characters: transverse scales 8; head length 26.6%-27.7% of SL in males, 28.0%-28.9% SL in females; body depth at anal-fin origin 24.3%-28.2% SL in males, 23.5%-24.0% SL in females; rare or no pigmentation along the ventral and dorsal margins of caudal fin of males after preservation .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Moramo ricefish 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; depth range 1 - 2 m . Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00437 × L3.11 (TL)
Max TL
2.6cm
Dorsal Rays
8
Anal Rays
20
Vertebrae
30

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Utama, Mokodongan & Yamahira, 2024

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