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Humpbacked Coralbrotula

Diancistrus altidorsalis Schwarzhans, Møller & Nielsen 2005

Diagnostic Description

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Diagnosis: Vertebrae 11+32-34=43-45, dorsal fin rays 76-85, anal fin rays 59-68; eyes large (at least 2.5% SL); outer pseudoclasper large, broad, ear-lobe shaped; inner pseudoclasper a fleshy appendix at the anterior-inner rim of the outer pseudoclasper, without supporter; large scale patch on operculum above opercular spine (6–9 scales) and 1 to 3 isolated scales below opercular spine; head profile strongly ‘high-necked / hump-backed’; color yellow in live specimens (Ref. 57884).Description: Characterized by uniformly yellow color; body depth at origin of anal fin 16.5-23.2 (mean=20.5)% SL; posterior cheek with vertically elongate scale patch (Ref. 90102).
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Recorder
Estelita Emily Capuli
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Morphology

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Dorsal soft rays (total): 76 - 85; Analsoft rays: 59 - 68; Vertebrae: 43 - 45
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Estelita Emily Capuli
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Trophic Strategy

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Large dominating individuals were observed to make attacks toward smaller fish, which were hiding below rocks or any other shelter provided. One male was observed to flip backward the cover of the copulatory organ so that the organ can be exposed while swimming (Ref. 57884).
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Grace Tolentino Pablico
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Biology

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Large dominating individuals were observed to make attacks toward smaller fish, which were hiding below rocks or any other shelter provided. One male was observed to flip backward the cover of the copulatory organ so that the organ can be exposed while swimming (Ref. 57884). Solitary inhabitant of coral reef crevices to at least 20m depth, cryptic (Ref 90102).
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cc-by-nc
copyright
FishBase
Recorder
Estelita Emily Capuli
original
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partner site
Fishbase