Seleccionar página

About Indian Sea, Chatterji and Ansari (1985) checked-out sexual dimorphism inside the W-L relationship having eastern African dolphinfish

On the The state industrial longline, troll, and you will handline fisheries to possess very migratory pelagic species, both dolphinfish (mahimahi), Coryphaena hippurus, and wahoo (ono), Acanthocybium solandri, was by the way caught and therefore are away from secondary characteristics so you’re able to tunas, Scombridae, and you may billfishes, Istiophoridae. Their cousin variety, markets consult, and apparently reduced dimensions sign up for its additional character. Yet not, while the some one turned into far more conscious about their health on later 1970’s, combined with the latest decline of several fisheries, the brand new demand for both dolphinfish and wahoo improved. (1) From inside the 2003, the very last 12 months whereby complete Hawaii county fishery landings were compiled, 596 t out-of dolphinfish and 446 t out-of wahoo had been got by commercial fishery during the Their state. (2)

There has not yet started an extensive evaluation on the W-L matchmaking to own wahoo caught within the Destinations

Due to the fact focus of fishery management broadens to incorporate a broader listing of varieties when you look at the aquatic ecosystems, an evergrowing need is obtainable to test catch studies toward variety trapped by the way. Weight-on-duration (W-L) and you may duration-on-lbs (L-W) relationships are necessary to convert during the-ocean duration measurements so you can loads, ine habits in the seafood condition that may provide understanding towards reproductive lifestyle background and you may environment.

Of several W-L predictors had been published having dolphinfish; these types of dating was basically revealed about Mediterranean sea (Bannister, 1976; Massuti ainsi que al., 1999); eastern warm Atlantic (Castro et al., 1999), west exotic Atlantic therefore the Carribean (Oxenford and you can Hunte, 1986b; Oxenford, 1999), the fresh Straits out-of Florida (Beardsley, 1967), Gulf coast of florida together with Gulf Load (Gibbs and you will Collette, 1959), and you will New york seas (Schuck, 1951; Rose and you may Hassler, 1968). In the Pacific, W-L predictors was indeed explained to have dolphinfish california (Lasso and you may Zapata, 1999), the complete Pacific Water (Takahashi and you may Mori, 1973); Their state (Examiner and Nakamura, 1957); and you may Taiwan in the western Pacific (Wang, 1979). And therefore, many of these knowledge looked at seafood for the populations faraway from Their state. The brand new solitary Hawaiian analysis–fish caught from Kaneohe Bay, free dating sites for Android Oahu–is actually considering a comparatively few specifications to own mainly .teenager seafood (Tester and you will Nakamura, 1957), and is also useless to have explaining a full dimensions directory of dolphinfish that is officially got in Their state.

Where many W-L predictors to have dolphinfish were demonstrated globally, merely three authored records (Iversen and Yoshida, 1957; Beardsley and you will Richards, 1970; Santana, et al. (3)) and you will an excellent PhD. thesis (Hogan, 1976) enjoys demonstrated W-L dating to have wahoo. A recently blogged comment for the wahoo from the west Central Atlantic part of the Oxenford mais aussi al. (2003) said three other training in a dining table of numerous morphometric relationships. Beardsley and you may Richards (1970) offered a W-L dating to have wahoo off the southern area of Fl playing with data obtained from taxi-dermists. Santana ainsi que al. (3) demonstrated this new W-L relationship from wahoo trapped around the Canary Countries on the eastern Atlantic Water. On Pacific Ocean, Iverson and you may Yoshida (1957) provided a good W-L relationships to own wahoo trapped in the Range Islands about equatorial central Pacific.

Hogarth (1976) discussed good W-L matchmaking getting wahoo according to research from the sport fishery off the Vermont shore

Extremely migratory management types (tunas, billfishes, dolphinfish, wahoo, or other in addition trapped varieties) is actually trapped of the local fisheries around Hawaii and you may marketed during the your neighborhood fish market. Brand new Hawaii-mainly based longline fishery has furnished all of the dolphinfish and you may wahoo got on fish public auction, nevertheless the troll fishery, lure boats, and also the handline fishery (we.age. deep-sea handline, ikashibi, and you can palu-ahi) also provide discussed rather to complete landings (NMFS, 2001). Wahoo landings height within the weight in may and therefore are lower into the December-January. Dolphinfish landings top when you look at the lbs regarding spring season and you can once more when you look at the the latest slip. (2)