And many turtles are killed in so called 'by-catches
', being caught up accidentally in fishing nets.
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.
This is an ecologically minded practice for it prevents over fishing and eliminates by-catches
. There are several farmers whom Spiliadis honors, the honey from the island of Kythera in the Aegean sea, the 'My Sister's Olive Oil' produced by Costas' sister Vivi, and Greek oregano, the restaurant's trademark.
A mature dolphin, 2.5 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).
Procured primarily for shrimp trawling, the Wartsila Vasa 8V12 marine diesel-powered boats are easily adapted to go after finfish exclusively, or to maximize fish landings from shrimp by-catches
. Furthermore, their 150,000 liter fuel capacity means that long-range sailing in the Indian Ocean is no problem.
Proposed by the Commission on 17 December 2013, the regulation obliges fishermen to land all catches - including by-catches
- that exceed quotas(1)a Given the institutional calendar, the EP and Council have three months to agree.
Purposeful fishing and by-catches
have decimated the largest predatory sharks, such as the bull, great white, dusky and hammerheads, allowing ray, skate and other small shark prey species to explode.
The practice of reporting by-catches
and discards is becoming more routine for the fleet.
Also, wahoo and mahi-mahi by-catches
from long-line vessels can be bought for about $2 a pound and promoted at retail for $3.99."
Commissioner Maria Damanaki (fisheries) pointed out that funds are available to help fishermen adapt their nets to prevent these unwanted by-catches
. She also said she would promote this action plan with regional fisheries management organisations.
Cod and sole quotas are also being reduced, on account of high by-catches
of prohibited species like crab and halibut -- the former from 229,000 to 180,000 tons, the latter from 135,000 (yellowfin) and 90,000 (rock sole) to 130,000 and 60,000 tons.
Net pickup usually starts before dawn, because king mackerel catches decrease and by-catches
increase with daylight.