Ptychoramphus aleuticus   (Pallas, 1811)

Cassin's auklet
Upload your photos 
Google image |

No photo available for this species.
No drawings available for Alcidae.

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Charadriiformes | Alcidae

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

Others; depth range 0 - 43 m (Ref. 65749), usually ? - 28 m (Ref. 61676).  Polar; 62°N - 22°N, 171°E - 109°W (Ref. 125423)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northwest and Eastern Pacific: From Aleutian Islands, Alaska, east to Canada and USA and south to Baja California, Mexico. Polar to subtropical.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 23.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 188.00 g (Ref. 356)

Short description Morphology

Culmen: 1.92 cm; tarsus: 2.66 cm; wing: 14.8 cm.

Biology     Glossary (e.g. epibenthic)

Total Length: 20 to 23 cm (Ref. 8812). Relatively small bird with sperm-storage glands that allows delayed fertilization (Ref. 87784).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Gaydos, J.K. and N.A. Brown. 2009. (Ref. 94794)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Near Threatened (NT) (A2abce+3bce+4abce); Date assessed: 28 August 2020

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


| FishSource |

Tools

More information

Trophic Ecology
Food items
Diet
Food consumption
Ration
Predators
Ecology
Ecology
Home ranges
Population dynamics
Growth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Human Related
Aquaculture profile
Stamps, Coins Misc.
Outreach
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 4.6 - 9.8, mean 6.8 (based on 152 cells).
Vulnerability (Ref. 71543): Low vulnerability (13 of 100).
Price category (Ref. 80766): Unknown.