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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Frans' cardinalfish

Ostorhinchus franssedai Allen, Kuiter & Randall, 1994
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
13–40 m
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits steep drop-offs; usually seen in caves or under ledges during the day in 13-40 m depth . Forms groups in crevices (Ref 90102).

Scientific Name
Ostorhinchus franssedai
Authority
Allen, Kuiter & Randall, 1994
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
7.5 cm
Depth Range
13–40 m
Trophic Level
3.5
Resilience
High
Vulnerability
13.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8; Vertebrae: 24. This species is distinguished by having D VII-I,9; A II,8; pectoral rays 14; lateral line scales 24; predorsal scales 5; gill rakers 3-4+14-16, excluding 2-3 rudiments on upper limb; preopercular margin serrate; preopercular ridge very weakly serrate around angle; body depth 3.1-3.7 in SL; mainly semi-transparent in life with 2 narrow dark (coppery, Ref. 37816) stripes on upper half of body and relatively large, black spot at the base of the caudal fin .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Frans' cardinalfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

👄 Mouth Brooder

Mouthbrooders . Distinct pairing during courtship and spawning .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 13 - 40 m . Tropical West Pacific: Maldives and the Chagos Archipelago; Philippines, and Palau to Maumere, Flores, Tulamben, Bali (Indonesia) (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.2 (TL)
Max TL
7.5cm
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
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Allen, Kuiter & Randall, 1994

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Apogon franssedai Allen, Kuiter & Randall 1994 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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