Small-crested angelshark
📖 Overview
Small-crested angelshark (Squatina mapama) is a ray-finned fish of the family Squatinidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 40 cm. It occurs at depths between 1190 and 1259 metres. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Vertebrae: 137. This species is distinguished by the following set of characters: with a single row of slightly enlarged dermal denticles along the dorsal midline extending between level just anterior of posterior insertion of pelvic fins and anterior base of first dorsal fin and continuing rearwards along dorsal ridge of tail between first and second dorsal fins; a few large denticles on top of the head; nasal flap squared with a fine fringe on ventral edge; two short lateral barbels bluntly rounded also with a fine fringed margin; males with a dorsal color pattern of small, scattered, dark spots distributed over a uniform light-brown background; pectoral-fin span 52.0-58.1% TL; pelvic-fin span 30.7-31.0 % TL; pre-pectoral-fin length 19.4-19.8% TL; trunk width 18.1-19.5% TL; head length 16.5-17.5% TL; spiracle length 2.2-2.3% TL; eye-to-spiracle length 2.2-5.0 % TL; mouth width 10.5-12.1% TL; nostril width 1.6-2.3% TL; snout-to-pectoral distance 19.4-19.8%; spiracle width 2.2-2.3% TL; pectoral-fin inner margins 17.5-18.3% .Cross section: flattened.
🌀 Behaviour
Behavioural data for Small-crested angelshark is currently being reviewed.
🦐 Diet
Diet information for Small-crested angelshark is currently being compiled.
🥚 Reproduction
Reproduction data for Small-crested angelshark is currently being compiled.
🌍 Habitat & Distribution
Marine; demersal; depth range 1190 - 1259 m . Tropical Central Atlantic: Panama.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
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