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

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

. Subtropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Introduzioni

Western Indian Ocean and Eastern Atlantic.

Length at first maturity / Size / Peso / Age

Maturity: L_m ? range ? - ? cm Max length : 70.0 cm TL maschio/sesso non determinato; (Ref. 91362); Peso massimo pubblicato: 3.1 kg (Ref. 356)

Population decline was recorded in the 19th century wherein 295,000 birds in 1956 became 170,000 birds in 1978. Threats include oil pollution, fisheries, and competition for food and space (Ref. 84934). This is a gregarious species that is commonly found in small groups and within 50 km of shoreline. It breeds in huge colonies in burrows (Ref. 91362), mainly on offshore islands (Ref. 84934). Underwater pursuit (Ref. 356).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Bibliografia | Coordinatore | Collaboratori

Harrison, P. 1987. (Ref. 91362)

IUCN Red List Status (Ref. 130435)

Endangered (EN) (A2ace+3bce+4ace); Date assessed: 09 September 2019

CITES status (Ref. 108899)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Threat to humans

Human uses

| FishSource |

Strumenti

E-book | Giuda pratica

Informazioni ulteriori

Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
Stocks
Ecologia
Dieta
Prede

Nomi Comuni
Sinonimi
Predatori
Riproduzione
Maturità
Deposizione
Fecundity
Uova
Egg development

Age/Size
Accrescimento
Length-weight
Length-length
Morfologia
Larve
Abbondanza

Bibliografia
Mass conversion

Collaboratori
Immagini

Fonti Internet

Estimates based on models

Price category (Ref. 80766): Unknown.

Spheniscus demersus (Linnaeus, 1758)