Evoxymetopon macrophthalmus Chakraborty, Yoshino & Iwatsuki, 2006
Bigeye scabbard fish
No Picture Available

 Family:  Trichiuridae (Cutlassfishes), subfamily: Lepidopinae
 Max. size:  161.5 cm SL (male/unsexed)
 Environment:  benthopelagic
 Distribution:  Northwest Pacific: off Okinawa I., Ryukyu Is., Japan.
 Diagnosis:  Dorsal soft rays (total): 90-90; Vertebrae: 94-94. Distinguished from other species with the following characters: upper head profile convex; posterior confluence of frontal ridges not elevated at the nape, resulting in the absence of the sagittal crest; eye 4.5 times in HL; lower hind margin of opercle broadly rounded; pelvic fins reduced to scalelike structure with 2 soft rays on posterior process of basipterygium, its origin below 9th dorsal-fin element; first anal spine single, oval, scalelike, and originating a short distance behind vent (opposite the 34th dorsal-fin soft ray), anterior anal-fin soft rays minute and embedded, barely penetrating skin and not visible externally, while posterior fin supporting rays enlarged and visible externally; anal-fin rays 15, externally visible; dorsal-fin elements 90, 1st spine elongate, sword-shaped, and finely ribbed; pectoral fin rays 12, with shorter anterior and longer posterior rays extending above the lateral line; first gill arch with upper gill rakers 9; vent at about 50% TL; total vertebrae 94; horizontal distance between posterior margin of eye and origin of first dorsal-fin spine short (8.5% HL); preanal length (PL) 49% TL; HL 27.5% PL; upper jaw length 9.5% PL; predorsal length 21% PL (Ref. 58273).
 Biology: 
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 16.05.07

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 Not for publication.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