(12) Kobayashi, D. 2004. Unpubl. analysis into file at the Pac. Isl. Seafood. Sci. Penny., Natl. Mar. Fish. Serv., 2570 Dole Street, Honolulu, Hi 96822-2396.
The consequences off sex and you may month towards the details were including looked at
(14) Uchiyama, J. H., and you may Roentgen. A great. Skillman. Unpubl. research to the document in the Pac. Isl. Fish. Sci. Penny., Natl. Mar. Seafood. Serv., 2570 Dole Street, Honolulu, Hello 96822-2396.
Both dolphinfish and you can wahoo end up in the fresh kinds advanced from Pelagic Management Device Variety on Western Pacific Regional Fishery Management Council (NMFS, 2001), in which it portray an important part of the commercial landings. Weight-length matchmaking are employed for changing metrics for the mark and you will recapture tests plus in database without having either metric, and additionally they are often used to mean muscles position or robustness off seafood in the an inventory (Ce Cren, 1951). This research toward dolphinfish and wahoo got within Honolulu seafood auction during the 1988-89 describes W-L predictor variables predicated on a great deal of dimensions coating an extensive size diversity.
Oxenford and you may Hunte (1986b) plotted and you can aesthetically compared the new W-L relationship of dolphinfish away from New york (Rose and Hassler, 1968), Fl (Beardsley, 1967), and Barbados (its investigation) and found nothing difference in this new W-L relationships of the locations on western and you can main 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).
Early in the day studies have dealt briefly that have sexual dimorphism out of dolphinfish. Specific features plotted the W-L relationship by themselves for males and you will girls (Beardsley, 1967; Flower and you can Hassler, 1968; Chatterji and you can Ansari, 1985; and you will Oxenford and you can Hunte, 1986b) or provided separate equations for men and you will females (Lasso and you will Zapata, 1999; Massuti mais aussi al., 1999) versus bringing a mathematical reason into separation. Geek Sites dating Wang (1979) tabulated new imply W-L independently for males and you may girls. Schuck (1951) and Beardsley (1967) just mentioned that the fresh indicate W-L for men are greater than women. This study statistically tested the difference about W-L coefficients out of male and female dolphinfish (Table 1) plus the empirical difference between forecast suggest W-L can be looked at within the Profile 5. Bannister (1976) visually opposed plots of land off W-L matchmaking from dolphinfish caught regarding Mediterranean having those individuals stuck off North carolina regarding west Atlantic (Rose and you can Hassler, 1968). Estimated variables and other analytical investigation having diary-linearized W-L relationship away from Hawaiian dolphinfish are supplied very others can also be statistically evaluate W-L coefficients off dolphinfish off their parts and particularly other places of your own Pacific Basin (Table 4).
Matsumoto (1967) found 38 wahoo larvae and you can juveniles inside step one,643 trials off oblique plankton tows collected from the discover ocean, so a finite amount of spawning might also are present overseas. Yet not, a relocate to nearshore waters in may getting spawning throughout the summer is similar to the upsurge in status and you can catch rates from the nearshore fisheries. A diagnosis now started regarding geographical activities and you can moving forward out-of higher connect price elements visited by The state-centered longline fleet means that the highest wealth components getting wahoo contained in this listing of the fresh collection try southwestern of the isles seasons bullet but spread northward with the coastal banking companies delivered more step 1,two hundred mi. in summer. (12)
Arocha, F., L. A good. Marcano, A beneficial. Larez, D. Altuve, and you can J. Alio. 1999. The new fishery, demographic size design and you may oocyte development of dolphinfish, Coryphaena hippurus, from inside the Venezuela and you may adjoining oceans. Sci. Mar. 63(3-4):401-409.
Oxenford, H. An excellent. 1999. Biology of your dolphinlish (Coryphaena hippurus) regarding west central Atlantic: an evaluation. Sci. Mar. 63(3-4):277-301.
(11) Capturing, J., R. Hocke, and you will R. Brainard. 2004. Surface velocity and profiling drifters track prospective larval routes in Northwestern Hawaiian islands. Poster speech in the Northwestern Island destinations Third Medical Symposium, 2-, The state Meeting Cardiovascular system, Honolulu.