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Publikováno v:
Canadian Journal of Zoology. 84:1202-1209
In one of the first field studies to utilize passive integrated transponder (PIT) telemetry to study space use of invertebrates, movement of the introduced signal crayfish ( Pacifastacus leniusculus (Dana, 1852)) was examined intensively in a high-de
Autor:
David C. Lasenby, Youqing Shi
Publikováno v:
Canadian Journal of Zoology. 82:525-528
Clear differences in the elemental composition of the stomachs of adult Mysis relicta Lovén captured on or near the lake bottom during the day and those captured at night in the water column were observed using laser ablation – inductively coupled
Autor:
M Kjeld
Publikováno v:
Canadian Journal of Zoology. 81:606-616
Whales, as pelagic marine mammals, are thought to have evolved from fresh-water-dependent terrestrial mammals. Baleen whales feed primarily on salty euphausiids (krill) and have no access to fresh water. How have these mammals adapted to lifelong hab
Publikováno v:
Canadian Journal of Zoology. 81:203-215
The European green crab, Carcinus maenas, is an invasive species in eastern North America and has the potential to significantly impact wild and aquaculture shellfish in the southern Gulf of St. Lawrence, Canada. To examine potential predation effect
Autor:
Carole Lanteigne, Mikio Moriyasu
Publikováno v:
Canadian Journal of Zoology. 76:2040-2048
Embryonic stages and egg-incubation durations were compared between female snow crabs, Chionoecetes opilio, in captivity and from the wild. In the southern Gulf of St. Lawrence the incubation time is 24-27 months. There are two prolonged periods of e
Publikováno v:
Canadian Journal of Zoology. 76:609-617
New criteria for determining the early-premolt stage (D0) of the snow crab Chionoecetes opilio are described, based on histological observations. Identifying the early-premolt stage in snow crabs on the basis of observations of setagenesis poses diff
Publikováno v:
Canadian Journal of Zoology. 76:601-608
Autor:
Victoria J. Rowntree
Publikováno v:
Canadian Journal of Zoology. 74:103-109
Cyamids are little-known amphipod crustaceans that live only on cetaceans. Specimens were collected from strandings of three right whales (Eubalaena glacialis) and one humpback whale (Megaptera novaeangliae). The intestinal contents of cyamids from t
Publikováno v:
Canadian Journal of Zoology. 72:1915-1921
Previous work on the tube-dwelling intertidal amphipod Corophium volutator (Pallas) has shown that adult sex ratios are female-biased for populations along the Bay of Fundy, Canada. The causes of these biased sex ratios, and many other aspects of the
Autor:
David M. Anderson
Publikováno v:
Canadian Journal of Zoology. 71:2330-2333
Examination of 1524 lake trout (Salvelinus namaycush) and 1254 lake trout backcross (S. namaycush × S. fontinalis) from 2 locations in Lake Huron revealed the presence of a parasitic copepod, Salmincola siscowet, previously undescribed in Lake Huron