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American paddlefish (Polyodon spathula)🐟

Photo: Ryan Hagerty/USFWS · Public domain

SpeciesAcipenseriformesPolyodontidae
Fish

🐟American paddlefish

Polyodon spathula (Walbaum, 1792)

匙吻鲟（學名：Polyodon spathula；英語：American paddlefish），又名美国匙吻鲟、鴨嘴鱘、及密西西比河匙吻鲟，是匙吻鲟科匙吻鲟属的唯一一种，也是该科现存的唯一一种。被IUCN列為易危保育類動物。

Text: Wikipedia, CC BY-SA 4.0.

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Photos
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Measurements
6
vs you
≈ half your weight
Also called
Duckbill Cat, Paddlefish, Spadefish, Spoonbill Cat
Conservation status
VUVulnerable

IUCN Red List assessment, 2022.

Population trendUnknown
Key measurements
Body mass
50 kg
Body length
1.2 m
Shoulder height
not recorded
Top speed
not recorded
Bite force
not recorded
Maximum lifespan
55 years
All measurements ↓
Facts and figures

Everything we know about the American paddlefish

Typical adult figures. Where a value is an estimate rather than a measurement, it says so.

Body mass
50 kgrecord 91 kg · FishBase
AnAge
Details ↓

data quality: acceptable

Record: largest individual on record

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Body length
1.2 mrecord 2.21 m · FishBasetypical adult
FishBase
Details ↓

Record: largest individual on record

Source: FishBase · v25.04 · CC BY-NC 4.0

Maximum lifespan
55 yearsrecord 55 years · FishBase
AnAge
Details ↓

data quality: acceptable

Record: largest individual on record

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Trophic level
3.1
FishBase
Details ↓

Source: FishBase · v25.04, estimate table · CC BY-NC 4.0

Diet
carnivoreaverage
Details ↓

From trophic level 3.1 (FishBase): <2.2 herbivore, 2.2–2.8 omnivore, >2.8 carnivore.

Volume l
50 Laverage
Details ↓

Body mass at ~1.0 kg/L, the density of vertebrate tissue.

average = a mean across sexes or species in a group.

Not recorded for American paddlefish yet: shoulder height, top speed, bite force.

Where it sits

Family tree

  1. kingdomAnimalia
  2. ›phylumChordata
  3. ›orderAcipenseriformes
  4. ›familyPolyodontidae
  5. ›genusPolyodon
  6. ›speciesPolyodon spathula
Full lineage
  1. superclassRay-finned fish · Actinopterygii
  2. subfamilyPolyodontinae
  3. tribePolyodontini
  4. genusPolyodon
All 14 branches ↓
  1. kingdomMetazoa
  2. phylumChordata
  3. subphylumCraniata
  4. subphylumVertebrata
  5. superclassGnathostomata
  6. superclassRay-finned fish · Actinopterygii
  7. classActinopteri
  8. subclassChondrostei
  9. orderAcipenseriformes
  10. suborderAcipenseroidei
  11. familyPolyodontidae
  12. subfamilyPolyodontinae
  13. tribePolyodontini
  14. genusPolyodon
More

More about the American paddlefish

In other languages
Löffelstör (de), Polyodon spathula (fr), Wiosłonos amerykański (pl), Веслонос (ru), Polyodon spathula (es), ปลาฉลามปากเป็ด (th) … and 25 more languages
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Tree of life

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