(12) Kobayashi, D. 2004. Unpubl. analysis to the document in the Pac. Isl. Fish. Sci. Penny., Natl. Mar. Seafood. Serv., 2570 Dole Highway, Honolulu, Hey 96822-2396.
The consequences from gender and you may day towards the parameters was basically also tested
(14) Uchiyama, J. H., and you can Roentgen. Good. Skillman. Unpubl. analysis into file in the Pac. Isl. Seafood. Sci. Penny., Natl. Mar. Seafood. Serv., 2570 Dole Path, Honolulu, Hi 96822-2396.
One another dolphinfish and you will wahoo fall under this new kinds advanced out of Pelagic Government Tool Kinds toward Western Pacific Local Fishery Administration Council (NMFS, 2001), where they depict a significant part of the economic landings. Weight-duration dating are also used for transforming metrics during the mark and recapture experiments along with database not having both metric, and so they can be used to mean human body updates or robustness out-of seafood when you look at the an inventory (Le Cren, 1951). This research to the dolphinfish and you may wahoo arrived on Honolulu seafood public auction during the 1988-89 makes reference to W-L predictor parameters predicated on countless proportions layer an extensive size assortment.
Oxenford and you can Hunte (1986b) plotted and aesthetically compared new W-L dating of dolphinfish off North carolina (Flower and Hassler, 1968), Florida (Beardsley, 1967), and you may Barbados (the analysis) and found nothing difference in the W-L matchmaking of those metropolises regarding the western and you can central Atlantic
Male dolphinfish achieve larger sizes than females. The largest male during the sampling period measured 149 cm, whereas the largest female measured 137 cm. In the initial data examination consisting of 2,495 paired measurements, 13 observations were identified as outliers and deleted from all further analyses. Using data trimmed to a range of 65-137 cm FL, the differences in W-L parameters based on sex for dolphinfish were both significant (coefficient: p <0.01 and exponent: p <0.01; Table 1). Females and males were separately grouped by month of landing; data were trimmed to only include fish in the 90-135 cm FL range, and then analyzed by GLM. Other than March and April, most months covered about 90% or more of the trimmed length range. Month as a categorical factor was significant for both females (p < 0.05; Table 2) and males (p < 0.01; Table 3).
Prior studies have dealt briefly that have sexual dimorphism out of dolphinfish. Certain features plotted the brand new W-L matchmaking by themselves for men and ladies (Beardsley, 1967; Rose and Hassler, 1968; Chatterji and you will Ansari, 1985; and Oxenford and you can Hunte, 1986b) or provided independent equations for men and you may people (Lasso and Zapata, 1999; Massuti mais aussi al., 1999) instead of getting a mathematical excuse towards separation. Wang (1979) tabulated the indicate W-L on their own for males and lady. Schuck (1951) and Beardsley (1967) simply asserted that the latest suggest W-L for men is greater than lady. This research statistically checked out the real difference on the W-L coefficients regarding female and male dolphinfish (Desk 1) in addition to empirical difference in predict indicate W-L can be looked at when Asian Sites dating services you look at the Figure 5. Bannister (1976) visually opposed plots of land out of W-L relationship away from dolphinfish stuck regarding Mediterranean which have those people trapped out-of New york on the western Atlantic (Rose and Hassler, 1968). Estimated variables or other mathematical analysis to possess record-linearized W-L matchmaking away from Hawaiian dolphinfish are given thus anybody else is statistically contrast W-L coefficients of dolphinfish off their components and particularly other areas of Pacific Basin (Table cuatro).
Matsumoto (1967) found 38 wahoo larvae and you may juveniles during the step 1,643 samples out-of oblique plankton tows amassed throughout the unlock sea, very a limited level of spawning could also can be found offshore. not, a go on to nearshore waters in-may having spawning in the summer will be similar to the increase in reputation and catch pricing in the nearshore fisheries. An analysis now started from geographical patterns and you will shifting out-of large connect price parts went along to by the The state-situated longline fleet means that the best abundance elements for wahoo inside selection of this new fleet is southwest of the isles 12 months bullet however, give northward with the coastal banking companies marketed over step one,2 hundred mi. in summer. (12)
Arocha, F., L. An excellent. Marcano, An effective. Larez, D. Altuve, and you may J. Alio. 1999. New fishery, market proportions build and oocyte growth of dolphinfish, Coryphaena hippurus, when you look at the Venezuela and you can adjacent waters. Sci. Mar. 63(3-4):401-409.
Oxenford, H. A good. 1999. Biology of one’s dolphinlish (Coryphaena hippurus) from the west main Atlantic: a review. Sci. Mar. 63(3-4):277-301.
(11) Firing, J., R. Hocke, and you may Roentgen. Brainard. 2004. Skin velocity and profiling drifters tune prospective larval paths when you look at the Northwestern Destinations. Poster presentation from the Northwestern Destinations 3rd Medical Symposium, 2-, The state Summit Cardio, Honolulu.