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Diagnostic Description ( Inglês )

fornecido por Fishbase
This species is distinguished by the following characters: D XII,10; A III,11; pectoral rays 17; lateral line smoothly curved, following the dorsal contour of body, lateral pored scales 30-31; scales above origin of lateral line to origin of dorsal fin 8; small predorsal scales, becoming embedded anteriorly, ending in posterior interorbital; cheek with a patch of very small scales, posterior to center of eye, except for the broad naked flange of the preopercle; without scales on lower jaw; a broad sheath of scales basally on median fins; total gill rakers 18-21; dorsal profile of snout to above eye is straight, becoming smoothly convex on nape; snout length 2.7-3.0 in head length (HL); orbit diameter varying from 4.7 in HL in an 8.8-cm specimen to 9.3 in a 43.0-cm specimen; mouth is slightly oblique, forming an angle of about 20° to horizontal axis of body, the maxilla reaching to below anterior half of eye; front of jaws with 2 pairs of canine teeth that interdigitate when mouth closed, the middle pair of upper jaw and lateral pair of lower jaw are the largest and recurved, the middle pair of lower jaw about half length of lateral pair; side of jaws with a dental ridge of coalesced teeth bearing a row of small, stout, close-set, conical teeth, of which a series of 5 or 6 in middle of jaws are the largest; toothless palate; labial flaps are well-developed; dorsal spines progressively longer, with the last spine 2.0-2.2 in HL, the membranes deeply incised; 7th or 8th dorsal soft ray longest, 2.0-2.1 in HL; 3rd anal spine longest, about 2.0-2.4 in HL; caudal fin of juveniles is truncate, of adults double emarginate with long pointed lobes; pectoral fins are relatively short, 3.9-4.25 in SL; pelvic fins just reaching anus in 8.8-cm juvenile, reaching beyond third anal spine in a 36.0-cm adult; diagnostic color differences from B. perditio include the central white bar of the juvenile narrowing to a spindle-shaped whitish to pink mark on the upper body extending below the lateral line (vs. a dorsal oval yellow spot) and the caudal peduncle of the juvenile with a white bar extending full width (vs. a central white patch surrounded by dark) (Ref. 96378).
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Estelita Emily Capuli
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Morphology ( Inglês )

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Dorsal spines (total): 12; Dorsal soft rays (total): 10; Analspines: 3; Analsoft rays: 11
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Biology ( Inglês )

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A common species of deeper rock and coral reefs of South Africa. Reported to feed mainly on sea urchins, crabs, gastropod mollusks, and other hard-shelled invertebrates, which arecrushed in the powerful pharyngeal plates that are studded with large molariform teeth.
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Bodianus atrolumbus ( Inglês )

fornecido por wikipedia EN

Bodianus atrolumbus, the pale-bar hogfish, is a species of wrasse from the genus Bodianus.[2][3] The fish lives in the Western Indian Pacific between the Mascarene Islands and the coast of Southeast Africa. It's a tropical reef inhabitant that feeds on invertebrates like sea urchins and crabs. It grows to a length of 30 centimetres. The fish looks similar to his family member Bodianus perditio but has more yellow or golden colours. Both species have the typical white line with the large black spot behind it.

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.) (2022). "Bodianus atrolumbus" in FishBase. March 2022 version.
  2. ^ "Bodianus atrolumbus (Valenciennes 1839), a valid species of labrid fish from the southwest Indian Ocean". October 2013.
  3. ^ "Bodianus atrolumbus (Valenciennes, 1839)". www.gbif.org. GBIF. Retrieved 2022-03-18.
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Bodianus atrolumbus: Brief Summary ( Inglês )

fornecido por wikipedia EN

Bodianus atrolumbus, the pale-bar hogfish, is a species of wrasse from the genus Bodianus. The fish lives in the Western Indian Pacific between the Mascarene Islands and the coast of Southeast Africa. It's a tropical reef inhabitant that feeds on invertebrates like sea urchins and crabs. It grows to a length of 30 centimetres. The fish looks similar to his family member Bodianus perditio but has more yellow or golden colours. Both species have the typical white line with the large black spot behind it.

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Bodianus atrolumbus ( Italiano )

fornecido por wikipedia IT

Bodianus atrolumbus (Valenciennes, 1839) è un pesce osseo marino appartenente alla famiglia Labridae diffuso nell'oceano Indiano occidentale.[1]

Distribuzione e habitat

Il suo areale si estende dal KwaZulu-Natal in Sudafrica al Mozambico e comprende le Isole Mascarene;[2] la località tipo è Mauritius.[3] Vive nelle barriere coralline e su fondali rocciosi.[2]

Descrizione

Il corpo, compresso sui lati e allungato, ha una lunghezza massima registrata di 30,7 cm[2]. La pinna caudale ha il margine dritto nei giovani, mentre negli adulti è allungata alle estremità. La pinna dorsale e la pinna anale sono basse e lunghe e presentano rispettivamente 12 e 3 raggi spiniformi.[3]

Gli esemplari giovani hanno una colorazione giallastra con un'ampia area nera nella seconda metà del corpo, preceduta da una fascia verticale bianco-rosata e seguita da una fascia dello stesso colore sul peduncolo caudale. L'area nera tende a ridursi fino diventare una macchia sbiadita sul dorso dei maschi adulti. Da giovane è quasi indistinguibile da Bodianus perditio, specie con cui è stato posto in sinonimia dal 1949 fino al 2013; con la crescita la fascia verticale chiara sui fianchi del pesce non tende però ad accorciarsi e ritirarsi al di sopra della linea laterale, rimanendo invece verticale.[2]

Alimentazione

Si nutre di invertebrati bentonici di cui distrugge il guscio con i denti faringei: le prede più comuni sono ricci di mare, gasteropodi e granchi.[2]

Note

  1. ^ (EN) Froese, R. and D. Pauly. Editors. (2021)., Bodianus atrolumbus, in WoRMS (World Register of Marine Species).
  2. ^ a b c d e (EN) Bodianus atrolumbus, su FishBase. URL consultato il 9 maggio 2021.
  3. ^ a b J.E. Randall & B.C. Victor, p. 47.

Bibliografia

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Bodianus atrolumbus: Brief Summary ( Italiano )

fornecido por wikipedia IT

Bodianus atrolumbus (Valenciennes, 1839) è un pesce osseo marino appartenente alla famiglia Labridae diffuso nell'oceano Indiano occidentale.

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cc-by-sa-3.0
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Autori e redattori di Wikipedia
original
visite a fonte
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wikipedia IT