Results 51 to 60 of about 3,502 (241)
Spawning, egg development and recruitment of diadromous galaxiids in Taranaki, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Ecology at Massey University [PDF]
, 2002 Spawning biology of Galaxias postvectis Clarke (shortjaw kokopu) was investigated in streams in northwest Taranaki, New Zealand. Most G. postvectis were found to spawn near their adult habitat on the river bank during spate flows between May 9 and 17 ...
Charteris, Sjaan Clare
core
Fauna Norvegica, 1988 In connection with a fish-kill in Akerselva, Oslo, in October 1986, studies of fish and benthos were initiated to find the source of pollution and to evaluate the consequences for the pollution status of the river.
John E. Brittain, Svein Jakob Saltveit
doaj +1 more source
Les affinites systématiques des Téléostéens fossiles de l’ordre des Ichthyodectiformes [PDF]
, 1973 The author studies the osteological relationships between Ichthyodectiformes and other lower Teleosts. The skeleton of the Ichthyodectiformes shows positive evidence of close affinity with the Osteoglossomorpha.
Taverne, L.
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Habitat requirements of black mudfish (Neochanna diversus) in the Waikato region, North Island, New Zealand. [PDF]
, 1996 Black mudfish (Neochanna diversus) were found at 39 of 80 sites in the Waikato region, New Zealand, ranging from large wetlands to small swampy streams. Of the sites with mudfish, 87% were dry at some time during summer. Sites with mudfish also generally
Barrier, R.F.G., Hicks, Brendan J.
core +2 more sources
Reproduction inGalaxias fasciatusGray (Salmoniformes : Galaxiidae) [PDF]
New Zealand Journal of Marine and Freshwater Research, 1979 A study of the reproductive cycle was made on Galaxias fasciatus Gray from streams on Banks Peninsula, South Island, New Zealand. There was no spawning migration; adults remained in the usual adult habitat to breed. The course of gonad maturation showed that spawning occurred in the autumn, from the end of April to mid‐June.
openaire +1 more source
EFSA Journal, Volume 23, Issue 12, December 2025.Abstract EFSA assessed the risk of introducing viral haemorrhagic septicaemia virus (VHSV), infectious haematopoietic necrosis virus (IHNV) and highly polymorphic region‐deleted infectious salmon anaemia virus (HPR‐deleted ISAV) into free areas through movement of fertilised eggs and gametes.
EFSA Panel on Animal Health and Welfare (AHAW) +25 more
wiley +1 more source
Evolutionary Dynamics and Functional Conservation of amh Signaling in Teleost Lineages
FishesThe anti-Müllerian hormone (amh) and its receptor, amhr2, along with the downstream bone morphogenetic protein receptors (bmprs), have been recognized as the central regulators in teleost sex determination (SD) and differentiation.
Lingqun Zhang +6 more
doaj +1 more source
Ciencia y Tecnología Agropecuaria, 2017 En este artículo se estimaron los desperdicios totales procedentes de la producción de trucha arcoíris, Oncorhynchus mykiss Walbaum (Salmoniformes: Salmonidae), en el lago de Tota, ecosistema de agua dulce ubicado en el departamento de Boyacá (Colombia),
Nixon Hernán Torres Barrera +1 more
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Preliminary Studies On The Systematics Of Deep-Sea Alepocephaloidea (Pisces: Salmoniformes)
, 1976 Douglas F. Markle
openalex +3 more sources
Fauna Norvegica, 1986 The mysid crustacean Mysis relicta was introduced into two Central Norwegian subalpine reservoirs, Stugusjøen and Gjevilvatn in 1973. Maximum density of Mysis was reached 9 to 10 years after the transplanting; densities later diminished to a low level ...
Erik Garnås
doaj +1 more source