Platax orbicularis  (Forsskål, 1775)

Orbicular batfish
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Platax orbicularis   AquaMaps   Data sources: GBIF OBIS
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Image of Platax orbicularis (Orbicular batfish)
Platax orbicularis
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) > Ephippidae (Spadefishes, batfishes and scats)
Etymology: Platax: Greek, platys = flat (Ref. 45335).

Environment / Climate / Range Ecology

Marine; brackish; reef-associated; depth range 5 - 30 m (Ref. 30874).   Tropical; 22°C - 28°C; 32°N - 23°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL male/unsexed; (Ref. 5450)

Short description Morphology | Morphometrics

Dorsal spines (total): 5; Dorsal soft rays (total): 34-39; Anal spines: 3; Anal soft rays: 25 - 29. The ocular band of adult specimens with a series of dark vermiculations (Ref. 1602). Adults (above 20 cm) yellowish silvery or dusky, dark bar through eye and another bar just behind head. Occasionally with a few small, scattered black spots on body. Median fins yellowish, with black margins posteriorly. Pelvic fins black. Small juveniles reddish brown, with irregular black spots and blotches and small, white (black-edged) ocelli on body. Small black spot at base of last 3 dorsal- and anal-fin rays. Caudal fin transparent except for base, which is reddish brown. Body orbicular and strongly compressed, its depth more than twice length of head and 0.9 to 1.4 times SL. Head length 3.4 to 3.8 times SL. Snout profile of large adults (above 40 cm total length) concave, with bony swelling between eyes. Interorbital width 38 to 48% head length. Jaws with bands of slender, flattened, tricuspid teeth, the middle cusp about twice length of lateral cusps. No teeth on palatines or vomer. Five pores on each side of lower jaw. Preopercle smooth. Opercle without spines (Ref 43039).

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

Indo-Pacific: Red Sea and East Africa to the Tuamoto Islands, north to southern Japan, south to northern Australia and New Caledonia. Recorded off the coast of Florida in the Western Central Atlantic (Ref. 51238).

Biology     Glossary (e.g. epibenthic)

Live in shallow protected coastal waters to deep, somewhat silty habitats. Often with deep shipwrecks (Ref. 48637). Adults are found singly or in small groups and occasionally in large schools in some areas. Juveniles occur singly or in small groups among mangroves and inner sheltered lagoons while adults move out to open waters over sandy areas of deep lagoons, channels, and seaward reefs to a depth of at least 30 m. Feed on algae, invertebrates and small fishes.

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

Main reference Upload your references | References | Coordinator | Collaborators

Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; aquaculture: commercial; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5313   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02884 (0.01433 - 0.05805), b=2.98 (2.79 - 3.17), based on LWR estimates for species & (Sub)Family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.49 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100) .
Price category (Ref. 80766):   Low.