Aves |
Sphenisciformes |
Spheniscidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Others. Subtropical
Southwest Pacific: New Zealand.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 62.0 cm TL male/unsexed; (Ref. 91362); max. published weight: 3.4 kg (Ref. 356)
Culmen: 4.765 cm; tarsus: 2.385 cm.
Total population is about 5,000 to 10,000 pairs, wherein 50 percent are breeding pairs. Mainland colonies are threatened by stoats, rats, and dogs (Ref. 84934). This species is known to be loosely colonial and breeds in temperate rainforests (Ref. 91362), where there is a dense vegetation and caves (Ref. 84934). It lays in winter and rears in spring (Ref. 84934). Pursuit diving (Ref. 356).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Harrison, P. 1987 Seabirds of the world: a photographic guide. Christopher Helm, Hong Kong, 317p. (Ref. 91362)
IUCN Red List Status
(Ref. 130435: Version 2025-2 (Global))
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
FAO - Publication: search | FishSource |
Tools
More information
Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Fishing Vulnerability (Ref. 71543) |
Moderate vulnerability (45 of 100). |
Price category (Ref. 80766): |
Unknown. |