Fishery Interactions – TX Shrimp

Recreational Interactions

Due to its highly mobile nature, and tendency to harvest in many different habitat types, there is high potential for conflicts and interaction between the Gulf shrimp fishery and other sectors. High incidental catch of finfish and shellfish has created conflicts between shrimp and other fisheries that may utilize species discarded by the shrimp fishery. Regulations developed to reduce bycatch have significantly decreased bycatch of finfish within the shrimp fishery. Effort reductions and seasonal closures (if needed) have also helped in reducing bycatch (U.S. CFR Title 50 Part 622).

Commercial Interactions

Interactions between shrimpers and both stone and blue crab fishermen also occur. The GMFMC Shrimp FMP directly addresses conflicts between the shrimp and stone crab fisheries and established five zones within the EEZ to separate shrimp trawling and stone crab trap activity (GMFMC Shrimp FMP -Amendment 3). Blue crab is a bycatch species in shrimp trawls (Fuls et al. 2002) and gear and gear interactions can be a source of conflict between the fisheries. Crab traps, either actively fishing or ghost fishing, are sometimes caught in shrimp trawls, which can cause damage to nets and loss of catch (Guillory et al. 2001). In 2000, TPWD closed several nursery areas to the shrimp trawl fishery,  which also served to reduce interactions between blue crab and shrimp fishermen (T.A.C. §57.973 Devices, Means, and Methods).

Additionally, TPWD instituted the Abandoned Crab Trap Removal Program, occurring annually, to reduce the number of abandoned traps in Texas waters and reduce gear interactions between the shrimp and crab fisheries (Morris 2003).

Other Interactions

Incidental take of sea turtles has created significant conflicts between commercial shrimpers and environmental groups. Requirements for TEDs and guidelines on proper handling, resuscitation,  and release of sea turtles have significantly reduced sea turtle mortality in the Gulf of Mexico shrimp fishery (50 CFR § 223.206, 50 CFR § 622). Additionally, the shrimp industry, along with federal and state agencies have also been active in other conservation efforts to aid the recovery of sea turtle populations including head-start programs to raise hatchling sea turtles in captivity for later release; nest protection programs in Florida, Texas, and Mexico; and education programs to raise awareness among user groups regarding sea turtle conservation actions (SEFC-Galveston Lab).

Another source of conflict for the shrimp fishery is underwater obstructions that cause loss of gear or trawlable bottom areas. Such structures include artificial reefs, and oil and gas activities/structures,  among others. Measure 10 of the shrimp FMP adopted by the council is “The GMFMC will attempt to reduce, where feasible, the loss of offshore trawlable bottom by establishing within GMFMC a committee to monitor and review construction of offshore reefs, with attention to the needs of reef fish,  and shrimp user groups (GMFMC shrimp FMP).” Furthermore, the Texas Sea Grant program developed “hang” books as a guide for shrimp vessels in the Gulf of Mexico documenting bottom obstructions and areas to avoid trawling due to potential interactions (Graham1983, Graham 1981). Additionally, there are federal laws in place that provide for compensation to fishermen to cover damage to gear and vessels from underwater obstructions.



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