African frilled shark (Chlamydoselachus africana) fish species and information / pictures of African frilled shark - Chlamydoselachus africana

African frilled shark (Chlamydoselachus africana) fish species information

Scientific Name
Chlamydoselachus africana

Common Name
African frilled shark

Biology
An external morphologically similar looking, smaller-sized Chlamydoselachus (to at least 1170 mm TL) with a proportionally long head length 17.3?17.9% TL, prepectoral length 15.1?17.7% TL, predorsal fin length 62.6?64.5% TL, head height 6.2?8.6% TL and width 6.6?8.9% TL, broad interorbital width (5.7?6.4% TL) and internarial width (3.9?4.8% TL), mouth broad (6.0?8.1% TL), gill openings long, analcaudal fin space (0.2?1.3% TL), pectoral fin length (8.8?9.6% TL), pelvic fin length (11.6?15.4% TL), meannumber of upper tooth rows (x = 28.8), pectoral mesopterygial radial counts (7), metapterygial radial counts (8), anal fin radials (30), total vertebral counts (147), MP vertebral count (18), DP count (76), DC count (52), MP/DP transition just posterior to the pelvic fins, spiral intestinal valve counts 26?28 (Ref. 81930).

Classification

Classified By
Ebert & Compagno, 2009
Class
Sharks and Rays (Elasmobranchii)
Order
Frill and cow sharks (Hexanchiformes)
Family
Frilled sharks (Chlamydoselachidae)

Distribution

Region
Southeastern Atlantic
Distribution
Southeastern Atlantic: Angola to Namibia (Ref. 81930).
Range
12°S - 27°S, 13°E - 16°E

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
300 m
Depth To - meters
1400 m
Zone
benthopelagic
Environment
Marine; benthopelagic; depth range 300 - 1400 m (Ref. 81930)
Trophic Level
s.e. 0.00 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
99.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 1.0156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries:
Vulnerability
Moderate to high vulnerability (46 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated