5 m long and weighing approximately 200 kg (Mead and Potter, 1990), therefore, could consume up to 12 kg of fish per day or the equivalent of 300 of the small whiting (40 g) or other similar-sized individuals of species that frequently appear in by-catches
of trawlers working throughout the geographic range of the NSW oceanic prawn-trawl fishery (Broadhurst and Kennelly, 1997).
Brussels also wants better protection of endangered shark species and a rule insisting that unwanted by-catches
of sharks with a chance of survival must be released.
This is an ecologically minded practice for it prevents over fishing and eliminates by-catches
Believed to be the world's most endangered cetacean, the species Lipotes vexillifer, also known as the baiji, is a freshwater dolphin found only in the Yangtze River in China and is threatened by such factors as collisions with boats, pollution of water and by-catches
, they said.
The report said: "From all available evidence obtained it would appear that the majority of cetacean by-catches
in pelagic trawls are isolated incidents, when relatively large numbers can be captured.
As a result of this, we launched our patented Eco-Harvesting technology; this catches krill while effectively blocking by-catches
and, crucially, avoids the dangers of traditional trawling techniques that ensnare fish, birds and marine mammals.
Historically, Quabbin's warm-water fish species have been considered incidental and by-catches
by the serious trout and salmon anglers who call the reservoir their home waters.
It is essential to harness the skill and knowledge of fishermen in order to allow other forms of fishing with minimal by-catches
Effect of pitfall trap type and diameter on vertebrate by-catches
and ground beetle (Coleoptera: Carabidae) and spider (Araneae) sampling.
Trout fishing in November in the Ten Thousand Islands will invariably lead to by-catches
of tasty late fall visitors.
This year, the Council and the Commission noted that the fishing opportunities regulations include a number of TACs for stocks for which there is limited information on stock status and which are of low economic importance, or are taken only as by-catches
, or which show low levels of quota uptake.
According to FAO data, the amount of by-catches
annually worldwide is seven million tones.