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Rhabdamia gracilis, Luminous cardinalfish

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        Apogonidae
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Rhabdamia gracilis (Bleeker, 1856)

Luminous cardinalfish
Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Rhabdamia gracilis   AquaMaps   Data sources: GBIF OBIS
Upload your photos and videos
 Pictures | Videos | Google image
  • Image of Rhabdamia gracilis (Luminous cardinalfish)
    Rhabdamia gracilis
    Picture by Andy Cornish@114°E Hong Kong Reef Fish Survey
  • Image of Rhabdamia gracilis (Luminous cardinalfish)
    Rhabdamia gracilis
    Female picture by Randall, J.E.

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Kurtiformes (Nurseryfishes, cardinalfishes.) > Apogonidae (Cardinalfishes) > Apogoninae
Etymology: Rhabdamia: Greek, rhabdos = stick + Greek, amia = a kind of shark (Ref. 45335).
More on author: Bleeker.

Environment: milieu / climate zone / depth range / distribution range Ecología

marino asociado a arrecife; rango de profundidad 3 - 91 m (Ref. 86942). Tropical; 32°N - 12°S

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Indo-West Pacific.

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm 3.6  range ? - ? cm
Max length : 7.4 cm TL macho / no sexado; (Ref. 101568)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 7; Radios blandos dorsales (total) : 9; Espinas anales: 2; Radios blandos anales: 12 - 13. This species is distinguished by the following characters: bluish longitudinal stripe on the middle of the body; translucent white or pink, silvery on head and abdomen; caudal peduncle sometimes with a posteriorly placed black spot; characterized further by one or both caudal fin lobes having black tip; greatest depth of body 3.3-3.6 in SL (Ref. 90102).

Biología     Glosario (por ej. epibenthic)

Inhabits lagoon and coastal reefs, among corals and rocks (Ref. 4329, 127962). Lives sympatrically with A. notatus (Ref. 76833). Forms large schools (Ref. 559). Feeds during the day in currents above reefs as well as at night (Ref. 48635).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

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

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Yoshida, T., K. Mabuchi and H. Motomura, 2018. Rhabdamia novaluna, a new species of cardinalfish (Perciformes: Apogonidae) from the western Pacific Ocean, with comments on the synonymy of Rhabdamia gracilis. Ichthyol. Res. 66(1):129-139. (Ref. 129520)

IUCN Red List Status (Ref. 130435: Version 2024-2)