Black roughscale catshark
📖 Overview
Overview information for Black roughscale catshark is currently being compiled by our editorial team.
🔬 Taxonomy
🐟 Physical Description
Diagnosis: Body uniformly black, slightly brownish in larger specimens. Dermal denticles large and giving a rough texture to the skin. Upper labial furrows longer than the lower ones. First dorsal fin only slightly smaller than the second dorsal fin, originating from above anterior third to middle of the pelvic fin base. Second dorsal fin insertion just before level of anal fin insertion. Interorbital space 1.9-3.5 times eye horizontal diameter. Abdomen between pectoral fin tip and pelvic fin origin 1.3-2.5 times pectoral fin width. Spiral valves of the intestine 19-23 (mostly 21-22). Monospondylous + precaudal diplospondylous vertebrae 36-43 + 26-32 (often 38-40 + 28-30). Dermal denticles on tongue and palate absent .: elongated.
🌀 Behaviour
Behavioural data for Black roughscale catshark is currently being reviewed.
🦐 Diet
Diet information for Black roughscale catshark is currently being compiled.
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathypelagic; depth range 512 - 1520 m . Deep-water North Atlantic: Slope, off northern U.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
No observations yet — be the first to log one!
View all observations for Black roughscale catshark ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.