Ostorhinchus rubrimacula  (Randall & Kulbicki, 1998)

Rubyspot cardinalfish
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Ostorhinchus rubrimacula
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Apogonidae (Cardinalfishes) > Apogoninae
Etymology: rubrimacula: From the Latin ruber, red, and macula, spot, in reference to the conspicuous red spot at the midbase of the caudal fin.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 0 - 33 m (Ref. 33415).   Tropical; 22°N - 28°S, 120°E - 178°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Central Pacific: Ryukyu Islands south to Australia; Indonesia (Ref. 90102) east to Fiji Islands (Ref. 56673).

Length at first maturity / Size / Weight / Age

Maturity: Lm 3.5  range ? - ? cm
Max length : 4.5 cm SL male/unsexed; (Ref. 33415); max. reported age: 4 years (Ref. 56673)

Short description Morphology | Morphometrics

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 (Ref. 33415).

Biology     Glossary (e.g. epibenthic)

Inhabit coral reef (Ref. 75154). Form small aggregations (Ref. 33415). 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 (Ref. 33415).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E. and M. Kulbicki, 1998. Two new cardinalfishes (Perciformes: Apogonidae) of the Apogon cyanosoma complex from the western Pacific, with notes on the status of A. wassinki Bleeker. Rev. Fr. Aquariol. 25:31-39. (Ref. 33415)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00275 - 0.01515), b=3.19 (2.99 - 3.39), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 1,363).
Prior r = 1.01, 2 SD range = 0.48 - 2.15, log(r) = 0.01, SD log(r) = 0.38, Based on: 1 tgen, 1 tmax, 2 Fec records
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .