21. "We have found fishing trawl nets snagged on the hull, " says John Broadwater, director of the Monitor National Marine Sanctuary. 22. The deal addresses the use of trawl nets , updating of fishing technology and what type of fishing the ecosystem can sustain. 23. Using highly advanced echo-sounders, robotic deep-sea vehicles and trawl nets , the expedition brought back more than 350 species of fish and squid. 24. Tobin and his department ignored the controversy and instead had the oversized trawl net which " Estai " had cut free salvaged. 25. The size selectivity of trawl nets is controlled by the size of the net openings, especially in the " cod end ". 26. Trawl nets in general, and shrimp trawls in particular, have been identified as sources of mortality for species of finfish and cetaceans.27. Because of the tuna's deteriorated condition as a result of the trawl net , the fish sold for just under $ 5, 000. 28. In some fisheries, trawl nets and purse-seine nets bring up more bycatch _ undesirable or illegal fish _ than the fish being targeted. 29. A Danish seine is similar to a small trawl net , but the wire warps are much longer and there are no otter boards. 30. "Deep water corals that took 5, 000 years to grow can be destroyed with the single pass of a trawl net , " says Roberts.
