IngliżDescription of Mustelus hacat: this species differs from its congeners in having a uniformly dark gray brown color above and conspicuously having white tips and trailing edges of the dorsal, pectoral, anal, and caudal fins. Although some specimens of M. lunulatus and newborn pups and juveniles of M. canis from the western Atlantic, have tips and trailing edges of first dorsal, pectoral, anal, and caudal fins transparent or pale white, they clearly differ from this species in having less contrasted dorsal color compared with tips and trailing edges of the fins. Mustelus hacat is distinguished from the other eastern North Pacific species of Mustelus in having: 1) upper jaw teeth cuspidate and distinctly asymmetric, with low rounded cusp (teeth of californicus and lunulatus are from molariform to cuspidate and slightly asymmetric, with blunt to low rounded cusp, whereas henlei
and dorsalis have cuspidate and slightly asymmetric, with high sharp cusp teeth); 2) upper jaw labial folds notably longer than the lower folds, only similar to henlei (californicus has upper and lower jaw labial folds about equal in length, lunulatus has upper jaw labial folds notably shorter than lower jaw labial folds, and dorsalis has upper jaw labial folds slightly longer than lower jaw labial folds); 3) posterior margin of first dorsal fin vertical from apex, only similar to lunulatus, californicus, henlei, and dorsalis have the first dorsal fin with sloping posterior margin); 4) inter-nostril space wide (49-58 vs. 33-49% pre-oral length for all other four species); and 5) inter-orbital space wide (5.6-6.8 vs. 4.3-5.6% TL for californicus, henlei, lunulatus, but similar to dorsalis 5.7-7.5% TL) (Ref. 30948).
Dehra traduzzjoni
Tradott mill-Ingliż minn BING
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MaltiDeskrizzjoni ta ' Mustelus hacat: din l-ispeċi hija differenti minn tiegħu congeners li jkollhom kulur kannella griż skur b'mod uniformi msemmija hawn fuq u b'mod li jkollhom ponot abjad u trailing trufijiet tax-xewk dorsali, pettorali, anal, u kawdjali. Għalkemm xi kampjuni ta ' M. lunulatus u tal-foki traspost u frieħ ta ' M. canis mill-Atlantiku tal-Punent, ikollhom it-truf u trailing truf ta ' l-ewwel xewk dorsali, pettorali, anal, u kawdjali trasparenti jew ċass abjad, huma b'mod ċar differenti minn din l-ispeċi li jkollhom anqas kulur dorsali jiffaçilitaw meta mqabbla mal-ponot u trailing truf tal-ġwienaħ. Mustelus hacat huwa distint mill-Lvant tat-tramuntana tal-Paċifiku speċi oħra ta ' Mustelus fl-wara li: 1) snien xedaq upper cuspidate u b'mod distint assimetriku, ma cusp ttundjati baxxa (snien ta californicus u lunulatus huma minn molariform għal cuspidate u ftit assimetriku, ma cusp ttundjati ċatt biex baxx, billi henlei u dorsalis kienu cuspidate u ftit assimetriku, bi snien cusp għolja li jaqtgħu); 2) xedaq upper liwi labial notevolment itwal minn l-aktar baxx liwi, biss simili biex henlei (californicus ikollu xedaq ta ' fuq u t'isfel liwi labial kważi daqs fit-tul, lunulatus tkun xedaq upper liwi labial notevolment iqsar minn liwi labial xedaq t'Isfel, u dorsalis tkun xedaq upper liwi labial ftit aktar minn liwi labial xedaq t'isfel); 3) marġini posterjuri ta ' l-ewwel gangliji tad-denb vertikali mill-quċċata, biss simili biex lunulatus, californicus, henlei, u dorsalis kienu l-ewwel gangliji tad-denb b ' marġini posterjuri immejjel); 4) inter nostril spazjali wiesgħa (49-58 vs. tul pre orali 33-49% għall-ispeċi l-oħra kollha erba); u 5) inter orbitali spazju wiesgħa (5.6-6.8 vs. TL 4.3-5.6% għall- californicus, henlei, lunulatus, imma simili li dorsalis 5.7-7.5% TL) (Ref. 30948).