(12) Kobayashi, D. 2004. Unpubl. data towards the document during the Pac. Isl. Seafood. Sci. Cent., Natl. Mar. Fish. Serv., 2570 Dole Path, Honolulu, Hi 96822-2396.
The consequences regarding gender and day for the details were and additionally checked out
(14) Uchiyama, J. H., and you can Roentgen. A. Skillman. Unpubl. investigation on file at the Pac. Isl. Seafood. Sci. Cent., Natl. Mar. Fish. Serv., 2570 Dole Roadway, Honolulu, Hey 96822-2396.
Both dolphinfish and you may wahoo belong to the fresh new kinds state-of-the-art off Pelagic Management Unit Variety on the West Pacific Local Fishery Administration Council (NMFS, 2001), where it show an essential element of the economical landings. Weight-duration relationship also are utilized for changing metrics into the mark and you can recapture tests and also in database devoid of sometimes metric, and they can be used to imply human body position otherwise robustness away from seafood inside a stock (Le Cren, 1951). This research for the dolphinfish and you will wahoo arrived at the Honolulu seafood auction during the 1988-89 means W-L predictor variables based on many dimensions coating an extensive proportions variety.
Oxenford and you may Hunte (1986b) plotted and visually opposed the fresh W-L matchmaking regarding dolphinfish away from Vermont (Rose and you may Hassler, 1968), Florida (Beardsley, 1967), and you may Barbados (the investigation) and found nothing difference in the fresh W-L relationship of those cities throughout 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).
Previous studies have dealt temporarily with sexual dimorphism of dolphinfish. Some has actually plotted the fresh new W-L relationship alone for men and you will female (Beardsley, 1967; Flower and you African Sites dating review will Hassler, 1968; Chatterji and Ansari, 1985; and you may Oxenford and Hunte, 1986b) otherwise offered separate equations for men and you will girls (Lasso and you may Zapata, 1999; Massuti ainsi que al., 1999) in the place of delivering a statistical excuse on the breakup. Wang (1979) tabulated the latest indicate W-L by themselves for males and you will ladies. Schuck (1951) and you may Beardsley (1967) simply mentioned that the imply W-L for men was higher than girls. This study mathematically checked out the difference from the W-L coefficients away from men and women dolphinfish (Table step 1) together with empirical difference in predict indicate W-L can be viewed during the Profile 5. Bannister (1976) aesthetically compared plots of land regarding W-L matchmaking out of dolphinfish trapped regarding Mediterranean which have those stuck off Vermont regarding western Atlantic (Rose and you may Hassler, 1968). Projected variables and other statistical research getting log-linearized W-L dating off Hawaiian dolphinfish are offered very anyone else can be mathematically contrast W-L coefficients of dolphinfish from other section and particularly other areas of one’s Pacific Basin (Desk cuatro).
Matsumoto (1967) located 38 wahoo larvae and you may juveniles into the step 1,643 samples out-of oblique plankton tows accumulated regarding discover sea, thus a finite number of spawning could also can be found offshore. However, a go on to nearshore oceans in may to possess spawning in the june could well be consistent with the boost in position and you will hook prices about nearshore fisheries. A diagnosis today underway regarding geographic designs and moving forward out of higher hook price elements went along to of the The state-mainly based longline fleet implies that the highest abundance section for wahoo contained in this selection of the brand new fleet try southwest of your own isles 12 months round but spread northward on the coastal financial institutions delivered over 1,two hundred mi. during the summer. (12)
Arocha, F., L. An effective. Marcano, A great. Larez, D. Altuve, and you may J. Alio. 1999. This new fishery, demographic dimensions framework and you will oocyte growth of dolphinfish, Coryphaena hippurus, inside the Venezuela and you can adjoining waters. Sci. Mar. 63(3-4):401-409.
Oxenford, H. A great. 1999. Biology of your dolphinlish (Coryphaena hippurus) on the west central Atlantic: a review. Sci. Mar. 63(3-4):277-301.
(11) Firing, J., R. Hocke, and Roentgen. Brainard. 2004. Epidermis acceleration and you can profiling drifters track possible larval paths inside the Northwestern Hawaiian islands. Poster demonstration at the Northwestern Hawaiian islands 3rd Medical Symposium, 2-, The state Convention Cardio, Honolulu.