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Scorpaena bulacephala  Motomura, Last & Yearsley, 2005

Bullhead scorpionfish
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Scorpaena bulacephala   AquaMaps   Data sources: GBIF OBIS
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Image of Scorpaena bulacephala (Bullhead scorpionfish)
Scorpaena bulacephala
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drawing shows typical fish in this Family.

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

Actinopterygii (ray-finned fishes) > Scorpaeniformes (Scorpionfishes and flatheads) > Scorpaenidae (Scorpionfishes or rockfishes) > Scorpaeninae
Etymology: Scorpaena: Latin, scorpaena = a kind of fish, 1706 (Ref. 45335);  bulacephala: Named for its bull-shaped head..   More on author: Last.

Environment / Climate / Range Ecology

Marine; demersal; depth range 86 - 113 m (Ref. 75652).   Subtropical

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

West Pacific: off Norfolk Island and off Lord Howe Island, in the northern Tasman Sea. Also reported from New Caledonia (Ref. 86942).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.8 cm SL male/unsexed; (Ref. 75652)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 9. Diagnosis. This species is distinguished by the following set of characters: 9 dorsal-fin soft rays; fourth fin spine longest; 17 pectoral-fin rays; 39-44 longitudinal scales rows; 23 pored lateral-line scales; lateral surface of trunk covered with ctenoid scales; anteroventral surface of body and pectoral-fin base covered with exposed cycloid scales; lateral surface of maxilla with no longitudinal ridge; no spines on lateral surface of lacrimal; posterior margin of anterior lacrimal spine with 1–3 small spines; simple posterior lacrimal spine directed ventroposteriorly; no median interorbital ridge and no coronal spine; with occipital pit and supplement preopercular spine; relatively short fin spines and rays, longest pectoral-fin ray (31.5-33.5% of SL); the space between the upper and lower opercular spines is not covered by skin with sensory pores and canals; length of supraocular tentacle is less than or approximately equal to pupil diameter; no tentacles on lateral surface of trunk, except on pored lateral-line scales (Ref. 75652).

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator | Collaborators

Motomura, H., P.R. Last and G.K. Yearsley, 2005. Scorpaena bulacephala, a new species of scorpionfish (Scorpaeniformes: Scorpaenidae) from the northern Tasman Sea. Zootaxa 1043:17-32. (Ref. 75652)

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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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100) .