Psephurus gladius (Martens, 1862)

Chinese swordfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Acipenseriformes \| Polyodontidae
Synonyms	Polyodon gladius, ... more
Common names	Miekkasampi, 白鲟, Wioslonos chinski, ... more

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Main reference

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott. 1991. (Ref. 4537)
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Size / Weight / Age

Max length : 300 cm TL male/unsexed; (Ref. 28581); max. published weight: 300.0 kg (Ref. 28581)

Length at first maturity

Environment

Demersal; potamodromous (Ref. 51243); freshwater

Climate / Range

Subtropical

Asia: China, endemic to the Yangtze River and its tributaries. International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Head very long, snout extraordinarily long, pointed and paddle-like and base broad; mouth very large.

Grows to 3 m in length and 300 kg in weight (Ref. 28581). Reported length of 7 m SL (Ref. 6866) and 500 kg weight (Ref. 4537, 58490) are doubtful (Paxton, pers. comm.). Piscivorous throughout most of its life. Threatened due to over harvesting and habitat loss (Ref. 58490).


IUCN Red List Status (Ref. 57073)	Threat to humans
Critically Endangered (CR) (A2cd)	Harmless

Human uses
Fisheries: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 1.2500

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (tm=5-15)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (87 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Torres, Armi G.

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