Pentherichthys atratus (Regan & Trewavas, 1932)
No Picture Available

 Family:  Oneirodidae (Dreamers)
 Max. size:  11.9 cm (female)
 Environment:  bathypelagic; depth range - 2500 m
 Distribution:  Atlantic, Indian and Pacific oceans.
 Diagnosis:  Dorsal soft rays (total): 6-7; Anal soft rays: 5-7. Characterized by having large melanophores inside the rays of the caudal fin; metamorphosed females have ethmoid region of the cranium extremely flattened dorsoventrally; deep and wide illicial trough, nasal foramina narrow and elongate; absence of symphysial spine of lower jaw; dentaries forming thick, broad, posteriorly directed flange immediately lateral to their union on the midline, ventral margin of lower jaw at symphysis concave when viewed anteriorly; short illicium of pterygiophore, posterior part broad and dorsoventrally flattened; metamorphosed females having wide ethmoid cartilage and vomer, width about equal to distance between anterolateral tips of lateral ethmoids and frontals; absence of vomerine teeth; short frontals, anterior end overhanging and extending past anterior limits of the ethmoid cartilage and vomer, convex dorsal margin; well developed first ray of dorsal fin; dorsal fin rays 6-7; anal fin rays 5-7; short and broad pectoral fin lobe, shorter than the longest rays of pectoral fin; pectoral fin rays 21-27; coracoid lacking posteroventral process; pelvic bones, simple and expanded distally; skin naked, without dermal spinules; darkly pigmented skin of caudal peduncle extends well past base of caudal fin; metamorphosed males have posterior nostril contiguous with the eye, nasal area is white and with 18 olfactory lamellae, 7-9 upper denticular teeth fused at bases and 4 lower denticular teeth (Ref. 86949).
 Biology:  Also mesopelagic. Males dwarfed and non-parasitic (Ref. 10524).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:  Known from off west coast of Luzon (Ref. 86949).

 Entered by: Sa-a, Pascualita - 08.03.96
 Modified by: Valdestamon, Roxanne Rei - 17.06.13

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.


Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by dsantos, 20/08/10