Results 81 to 90 of about 119,614 (261)

Seasonal changes in abundance of brown trout (Salmo trutta) and rainbow trout (s. gairdnerii) assessed by drift diving in the Rangitikei river, New Zealand [PDF]

open access: yes, 1985
Numbers and approximate sizes of brown trout (Salmo trutta L.) and rainbow trout (5. gairdnerii Richardson) were estimated by snorkel divers at 6 sites in the middle reaches of the Rangitikei River, North Island, New Zealand, over 14 months.
Hicks, Brendan J., Watson, N. R. N.
core   +1 more source

Dietary Tea Polyphenols Improve Growth Performance and Intestinal Microbiota Under Chronic Crowding Stress in Hybrid Crucian Carp

open access: yesAnimals
This study systematically investigated the effects of dietary tea polyphenols (TPs, major bioactive polyphenols from Camellia sinensis with potent antioxidant and anti-inflammatory properties) on the growth performance and intestinal health of hybrid ...
Zhe Yang   +6 more
doaj   +1 more source

Distribution and abundance of fish and crayfish in a Waikato stream in relation to basin area [PDF]

open access: yes, 2003
The aim of this study was to relate the longitudinal distribution of fish and crayfish to increasing basin area and physical site characteristics in the Mangaotama Stream, Waikato region, North Island, New Zealand.
Hicks, Brendan J., Brendan J. Hicks
core   +1 more source

Freshwater fish production [PDF]

open access: yesNature, 1979
Ecology of Freshwater Fish Production. Edited by S. D. Gerking. Pp. 520. (Blackwell Scientific: Oxford, 1978.) £23.50.
openaire   +1 more source

Brown bullhead catfish (ameiurus nebulosus) in Lake Taupo [PDF]

open access: yes, 2003
Brown bullhead catfish (Ameiurus nebulosus) were first discovered in Lake Taupo during the early 1980s and are believed to have originated from an illegal liberation into the southern end of the lake.
Hicks, Brendan J., Barnes, Grant E.
core  

Influence of open and closed river systems on the migrations of two northern New Zealand populations of banded kokopu (Galaxias fasciatus) [PDF]

open access: yes, 2012
Otolith microchemical analysis by laser ablation inductively coupled mass spectrometry (ICP-MS) was used to investigate the migratory life histories of banded kokopu (Galaxias fasciatus) in two streams on the North Island of New Zealand.
Hicks, Brendan J., Tana, Raymond
core   +1 more source

Notes on the Freshwater Fish of Madras

open access: yesRecords of the Zoological Survey of India, 1916
No Abstract.
openaire   +2 more sources

Fish and crayfish fauna of Ellen Brook, Cowaramup Brook and Gunyulgup Brook in the Cape to Cape Region of Western Australia [PDF]

open access: yes, 2005
During September 2004 a total of 25 sites were sampled for fish and freshwater crayfish in Ellen Brook, Cowaramup Brook and Gunyulgup Brook. This included 11 sites on Ellen Brook, six sites on Cowaramup Brook and eight sites on Gunyulgup Brook.
Morgan, D., Beatty, S.
core   +1 more source

Ovarian microrna transcriptome of Macrobrachium rosenbergii after eyestalk ablation: unveiling molecular switches in reproductive regulation

open access: yesBMC Genomics
Background Macrobrachium rosenbergii is an economically important freshwater prawn species in China. The X-organ–sinus gland complex in crustacean eyestalks regulates reproduction through neurohormones, with ablation significantly promoting ovarian ...
Huwei Yuan   +6 more
doaj   +1 more source

Freshwater Aquarium Fishes [PDF]

open access: yesNature, 1963
Freshwater Fishes of the World By Dr. Gunther Sterba. Translated and revised by Dr. Denys W. Tucker. Pp. 878 + 192 plates. (London: Vista Books, Longacre Press, Ltd., 1962.) 70s. net.
openaire   +1 more source

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