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Large-tooth sawfish (Pristis perotteti) fish species and information / pictures of Large-tooth sawfish - Pristis perotteti

Large-tooth sawfish (Pristis perotteti) fish species information

Scientific Name
Pristis perotteti

Common Name
Large-tooth sawfish

Biology
Inhabits shallow water in the vicinity of the shore and estuarine, particularly lagoons. Generally thought to rarely descend below 10m but have been found at 122m in Lake Nicaragua (Ref. 55273). Tends to run farther upstream in large rivers. Found in temperatures higher than 20-30?C (Ref. 6902). Ovoviviparous (Ref. 50449). Minor commercial, for the curio trade (Ref. 37548).

Classification

Classified By
M?ller & Henle, 1841
Class
Sharks and Rays (Elasmobranchii)
Order
Sawfishes (Pristiformes)
Family
Sawfishes (Pristidae)

Distribution

Region
Northwest Atlantic
Distribution
Northwest Atlantic: Texas, Florida. Northeast Atlantic: West Africa. Eastern and Western Central Pacific: off northern Australia. Indo-China: East Indies. South America: Amazon near Sant?rem, Brazil.
Range
32°N - 19°S, 106°W - 15°E

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
122 m
Zone
benthopelagic
Environment
Marine; freshwater; brackish; benthopelagic; amphidromous (Ref. 51243); depth range ? - 122 m (Ref. 55273), usually ? - 10 m (Ref. 55273)
Trophic Level
3.95 s.e. 0.59 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
650 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
Very high vulnerability (78 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be
Threat To Humans
  Harmless
IUCN Red List Status
  Critically Endangered (CR) (A2abcd)