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> Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Scaphirhynchinae
Etymology: Scaphirhynchus: Greek, skaphe, -eos = boat + Greek, rhyngchos = snout (Ref. 45335); albus: From the word albus, meaning white (Ref. 10294).

Environment: milieu / climate zone / depth range / distribution range ນິເວດວິທະຍາ

; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ກຸ່ມຫຼືຊະນິດປາທີ່ມີການເຄື່ອນຍ້າຍພາຍໃນນ້ຳຈືດ (Ref. 51243). Subtropical; 44°N - 30°N

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North America: nearly restricted to main channels of Missouri River and lower Mississippi River from Montana to Louisiana in USA.

Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: L_m ? range ? - ? cm
Max length : 200 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 58490); common length : 81.7 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 12193); ນ້ຳໜັກສູງສຸດທີ່ເຄຍຈັດພີມມາ: 130.0 kg (Ref. 52332); ອາຍຸສູງສຸດທີ່ເຄຍລາຍງານມາ: 41 ປີ (Ref. 32514)

Short description ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

Absence of scalelike scutes on belly; bases of outer barbels usually behind bases of inner barbels (Ref. 86798).

Adults inhabit large, deep, turbid river channels, usually in strong current over firm sand or gravel (Ref. 10294, 58490). They feed on aquatic insect immatures, particularly caddisfly larvae, and small fish (Ref. 10294). Threatened due to over harvesting and habitat loss (Ref. 58490). No length type given but assumed to be in TL.

Life cycle and mating behavior Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (A2bcde); Date assessed: 08 December 2020

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - ການປະມົງ: species profile; Publication: search | FishSource |

ຂໍ້ມູນຕື່ມອີກ

Trophic ecology
ລາຍການອາຫານ
Diet compositions
Food consumptions
Food rations
ຜູ້ລ້າ

Ecology
ນິເວດວິທະຍາ

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
ການສືບພັນ
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
ຕົວອ່ອນ
ການປ່ຽນແປງຂອງຕົວອ່ອນ

Distribution
ປະເທດ
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Anatomy
Gill areas
ສະໝອງ
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
ປະເພດການລອຍ
Swimming speeds
Visual pigment(s)
ສຽງຂອງປາ
Diseases / Parasites
Toxicities (LC50s)

Genetics
ກຳມະພັນ
Electrophoreses
Heritabilities

Human related
Aquaculture systems
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ສາຍພັນ
Ciguatera cases
Stamps, coins, misc.

Outreach
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Taxonomy
ຊື່ສາມັນ
ຄຳສັບຄ້າຍຄືກັນ
ສະລີລະວິທະຍາ
ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
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References
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Summary page | ຈຸດໃດໜຶ່ງທີ່ສະແດງຂໍ້ມູນ | ຊື່ສາມັນ | Photos

ແຫຼ່ງອີນເຕີເນັດ

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00407 (0.00149 - 0.01114), b=3.16 (2.92 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

ຊັ້ນເຂດຮ້ອນ (Ref. 69278): 3.9 ±0.63 se; based on food items.

Generation time: 16.8 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

ຄວາມຢືດຢຸ່ນ (Ref. 120179): ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (tm=5-15; Fec=170,000, tmax=41(based on 1 specimen only)).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (67 of 100).

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Scaphirhynchus albus (Forbes & Richardson, 1905)