sub class Elasmobranchii (ฉลามและกระเบน) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Holohalaelurus:holos (Gr.), whole or entire, i.e., being a form of Halaeurus without any labial folds or grooves in the mouth. (See ETYFish); melanostigma:melanos (Gr.), black; stigma (Gr.), mark or spot, probably referring to dark-colored spots on dorsal surface. (See ETYFish). More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range
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