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🌊 Marine 🌡️ Tropical

Aurora's bandfish

Owstonia aurora Liao, Reyes & Shao, 2022
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
342–358 m
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Aurora's bandfish (Owstonia aurora), first described by Liao, Reyes & Shao, 2022 is a small fish in the family Cepolidae (order Perciformes). Adults typically reach 7.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 342 to 358 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Owstonia aurora
Authority
Liao, Reyes & Shao, 2022
Habitat
Marine
Climate
Tropical
Max Length
7.5 cm
Depth Range
342–358 m
Trophic Level
3.2
Resilience
High
Vulnerability
11.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 21; Anal spines: 1; Anal soft rays: 14; Vertebrae: 28. This species is distinguished by the following set of characters: D III, 21; A I,14; gill rakers on first arch 35-38; scales on cheek 80-86 in 7-8 rows; lateral line unbranched, not forming loop in front of dorsal fin, and ending below 17th-22nd dorsal-fin soft rays; oblique body scales rows in mid-lateral series 54-58; lower margin of the preopercles rounded; a prominent black blotch on anterior dorsalfin membrane, which extend downward to dorsal-fin base, the remaining membrane of dorsal, anal, and caudal fins are red with white margins and bases, distinct white stripes on mid dorsal and caudal fin membranes; membranes between the maxillary and premaxillary with discontinuous black stripes or patches .Cross section: compressed.

🌀 Behaviour

Behavioural data for Aurora's bandfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; demersal; depth range 342 - 358 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
7.5cm
Dorsal Spines
3
Dorsal Rays
21
Anal Spines
1
Anal Rays
14
Vertebrae
28

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Liao, Reyes & Shao, 2022

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