Slender catshark
The slender catshark (Schroederichthys tenuis) is a small species of catshark belonging to the family Scyliorhinidae. It is found on the upper continental slope off the coast of Suriname, French Guiana and northern Brazil, including the mouth of the Amazon River at depths between . Its it can grow up to a length of . Description The slender catshark is a small, elongated shark that grows to a length of about . The snout is relatively broad and rounded, the mouth is wide and the nostrils are concealed by lobed flaps. The second dorsal fin is larger than the first and the upper lobe of the tail fin is much larger than the lower lobe. The general colour of the dorsal (upper) surface is pale brown and there are seven or eight dark brown saddle-shaped patches with a scattering of dark brown spots between them. Distribution The slender catshark seems to be endemic to the upper continental slope of the coast of Brazil and Suriname including the Amazon estuary, between 4°N and 2°S . It has also been reported from the southwestern Atlantic Ocean off the coast of Patagonia but this may have been a case of misidentification. It is