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Cyclichthys orbicularis  (Bloch, 1785)

Birdbeak burrfish
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Image of Cyclichthys orbicularis (Birdbeak burrfish)
Cyclichthys orbicularis
Picture by Randall, J.E.

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

Actinopterygii (ray-finned fishes) > Tetraodontiformes (Puffers and filefishes) > Diodontidae (Porcupinefishes (burrfishes))
Etymology: Cyclichthys: Greek, kyklos = round + Greek, ichthys = fish (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 9 - 170 m (Ref. 30573).   Tropical; 32°N - 36°S, 24°E - 168°E

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

Indo-West Pacific: Red Sea and East Africa to the Philippines, north to southern Japan, south to Australia and New Caledonia (Ref. 9680). Southeast Atlantic: south coast of South Africa (Ref. 4423).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 9710)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 10 - 12. Adults brown to grey with blotches and clusters of black spots on back and sides; pelagic juveniles covered with black spots (Ref. 4423).

Biology     Glossary (e.g. epibenthic)

Inhabit clear protected reefs with sponge and algal habitats. Often in large sponges during the day (Ref. 48637). Usually over sand and mud bottoms to at least 170 m (Ref. 30573). Occasionally on reefs (Ref. 9680). Active at night, feeding among reefs (Ref. 48637). A nocturnal species (Ref. 9710) that presumably feeds on hard-shelled invertebrates (Ref. 9680, 48637).

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

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 108899)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: subsistence fisheries; gamefish: yes
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 22.3 - 28.3, mean 26.8 (based on 908 cells; Ref. 115970).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03090 (0.01293 - 0.07384), b=2.89 (2.68 - 3.10), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.6   ±0.59 se; Based on food items.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (16 of 100) .
Price category (Ref. 80766):   Unknown.