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🌊 Marine 🌡️ Tropical

Ostorhinchus Pallidus

Ostorhinchus pallidus Allen & Erdmann, 2017
Max Length
5.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
18–30 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

This species occurs in aggregations, usually mixed with other apogonids. Hovers about 1-2 m above the bottom at depths of 18-30 m .

Scientific Name
Ostorhinchus pallidus
Authority
Allen & Erdmann, 2017
Habitat
Marine
Climate
Tropical
Max Length
5.2 cm
Depth Range
18–30 m
Trophic Level
3.4
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8. This species is distinguished by the following characters: D VII-I,9; A II,8; pectoral rays 15 (occasionally 14); lateral-line scales 24; predorsal scales 3-4; developed gill rakers 4-5 + 18-19; serrated preopercular margin; finely serrated preopercular ridge; body depth 2.9-3.4 in SL; third and fourth dorsal spines are the longest. Colouration: in life pinkish, grading to pale yellow ventrally with a faint grey stripe on head at eye level, a large black spot at base of caudal fin, with a series of faint narrow dark bars on the lower side, and black outer edge on first dorsal fin (more pronounced in male); the peritoneum is pale with scattered melanophores; the outer surface of intestinal tract black .Cross section: compressed.

🌀 Behaviour

Behavioural data for Ostorhinchus Pallidus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner 👄 Mouth Brooder
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 18 - 30 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.07 (TL)
Max TL
5.2cm
Dorsal Spines
8
Dorsal Rays
9
Anal Spines
2
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Allen & Erdmann, 2017

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