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🌊 Marine Least Concern 🌡️ Tropical

Rubyspot cardinalfish

Ostorhinchus rubrimacula Randall & Kulbicki, 1998
Max Length
4.5 cm
Max Weight
-
Lifespan
4 yrs
Trophic Level
3.3
Depth
0–33 m
Climate
Tropical
Resilience
Medium
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabit coral reef . Form small aggregations . Distinguished from A. cyanosoma by the presence of a single red spot at the midbase of the caudal fin, a higher number of gill rakers, and apparently a smaller maximum size .

Scientific Name
Ostorhinchus rubrimacula
Authority
Randall & Kulbicki, 1998
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
4.5 cm
Lifespan
4 years
Depth Range
0–33 m
Latitude
28°S – 22°N
Trophic Level
3.3
Resilience
Medium
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; Vertebrae: 24. Predorsal scales 4; preopercular edge serrate; preopercular ridge smooth to slightly crenulate; body depth 2.85-3.05 in SL; silvery blue-gray with 6 orange to orange-yellow stripes on head and body, those on body narrower than blue-gray interspaces; third orange-yellow stripe from dorsal edge of eye ending below space between dorsal fins; midlateral orange-yellow stripe ending in a red spot at base of caudal fin .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Rubyspot cardinalfish is currently being reviewed.

🦐 Diet

Diet information for Rubyspot cardinalfish is currently being compiled.

🥚 Reproduction

👄 Mouth Brooder
Size at Maturity
3.5cm TL

Mouthbrooders . Distinct pairing during courtship and spawning .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 33 m . Tropical; 22°N - 28°S, 120°E - 178°E Central Pacific: Ryukyu Islands south to Australia; Indonesia (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.2 (TL)
Max TL
4.5cm
Dorsal Spines
8
Dorsal Rays
9
Anal Spines
2
Anal Rays
8
Vertebrae
24

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
22°N – 28°S
Described By
Randall & Kulbicki, 1998

👥 Community & Contribute

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