Calico phase individuals were observed at both transect sites throughout the study period (Figure 4). OS phase males were observed at both transect sites from , where they increased in frequency over this period (Figure 4). Monthly variations in the proportion of OS phase individuals observed on transects were significantly different than expected at random for both the Intake Pipes site (Pearson chi-square goodness of fit, [chi square] = , df = 7, P < 0.01) and the Pumpernickel Cove site (Pearson chi-square goodness of fit, [chi square] = , df = 7, P < 0.01).

The second integrated some body said to sexually younger

Mean monthly GSI of males (Figure 3) and females (Figure 5) remained low from January to April. GSI values of males and females were lowest in February and December. Monthly variations in male GSI (Kruskal-Wallis, KW = , df = 8, P < 0.01) and female GSI (Kruskal-Wallis, KW = , df = 8, P < 0.01) were significant. Males and females containing visibly ripe gonadal tissue were collected from May to October, and over 93% of adults collected from June to August were visibly ripe. Females with hydrated ovaries were collected from June through September, and the highest frequency of hydrated females occurred in July (Figure 5). The mean GSI of females with hydrated ovaries (5.79%) was significantly higher than the mean GSI of non-hydrated, ripe females (3.56%; unpaired t test, t = 7.78, df = 229, p < 0.01).

Os phase people were present all day and on a regular basis in the field observations used away from , along with the fresh new captive study of 2002. Os stage people were perhaps Lincoln best hookup apps not present in job observations used inside late . Since the zero factor are based in the monthly frequency out-of this new Operating-system stage certainly one of people built-up out of (Pearson chi-square goodness away from fit, [chi-square] = step one.19, df = dos, P = 0.55), research out of the males collected out of during this time have been pooled for additional data. Throughout that months, Operating system phase boys have been amassed throughout the day and you can demonstrated zero tall variations in regularity depending on the time period grabbed (Pearson chi-square goodness regarding complement, [chi-square] = step 1.thirty six, df = 2, p = 0.51). Additionally, the fresh regularity out-of Operating-system stage men didn’t differ notably among the four top stages of your own lunar period (Pearson chi-rectangular, [chi-square] = cuatro.forty-five, df = step 3, P = 0.22).

Operating system phase boys amassed of ranged sizes out of 165 so you’re able to 386 mm SL, and calico stage guys accumulated at that time months ranged within the proportions off 170 to help you 397 mm SL (Shape six). The fresh new suggest period of built-up Os phase boys ( mm) is actually rather higher than the newest imply period of obtained calico phase men ( mm; Mann-Whitney, U = 5455.0, df = 247, P = 0.001). But not, that it results was not believed biologically tall, since adult P. clathratus develop so you’re able to lengths of more than 700 mm SL (Like mais aussi al. 1996). The size list of captive Os stage guys (211 to help you 348 mm SL) try like captive calico phase people (212 so you’re able to 343 mm SL). Operating system stage some one noticed in the field ranged in estimated size from 2 hundred in order to five hundred mm SL, whenever you are calico phase anybody observed varied in size of one hundred so you can 500 mm SL.

The new estimated spawning 12 months centered on GSI and you may readiness study demonstrated a period much like the monthly frequency regarding collected Operating-system stage males

The OS phase was present only in ripe males, whereas the calico phase was present in both ripe and unripe males. Sixty-seven percent of ripe males collected during 2001 were OS phase and 33% were calico phase. Among males collected from , the GSI range of OS males (0.42% to %) were similar to that of calico phase males (0.17 to %) (Figure 7a). However, the mean GSI of OS males (5.69%) was significantly higher than that of calico phase males (2.88%) collected from (Mann-Whitney, U = , df = 237, P < 0.01) (Figure 7b).