People in the place of gonads was basically reduced heavy than just females and boys (n = 221; K = ; p = 0.003).
Volume shipment of the BW try unimodal having a highest in the range of 153 so you can 198 g (Fig 2B). The newest W50 was built at 155 grams (95% depend on interval: 154–156 grams) (Fig 2D). The tiniest individual gathered having gonads is actually a male (39 grams).
b) Isostichopus badionotus.
The average TL was 324 ± 70 mm (± SD), maximum 480 mm and minimum 110 mm (+ = 329 ± 55mm, > = 341 ± 64 mm and without gonad 240 ± 78 mm). The individuals without gonad were significantly smaller (n = 114; Fdos,111 = ; p = 0.001).
The distance-frequency delivery is unimodal, having a peak in the set of 355 to 390 mm (Fig 2E). New L50 is founded in the 220 mm (95% count on period: 217–221 mm) (Fig 2G). The smallest private compiled having gonads are a masculine (210 mm).
The average BW was 628 ± 179 g, maximum 999 g and minimum 72 g (+ = 654 ± 152 g, > = 669 ± 145 g and without gonad 383 ± 200 g). The individuals without a gonad were significantly less heavy (n = 114; F2,111 = ; p = 0.001).
Volume distribution off BW try unimodal which have a top on the list of 607 to 642 grams (Fig 2F). This new W50 are dependent during the 348 grams (95% depend on period: 344–350 g) (Fig 2H). The littlest personal gathered that have gonads try a woman (363 grams).
Both in water cucumbers the newest gonad is composed of one or two tufts out of tubules having a good racemose physical appearance found at the latest anterior avoid of your own coelom, which found reside all of the perivisceral cavity at stage from maturity (III). The color of your gonad regarding both ocean cucumbers varied regarding beige–whitish so you’re able to ocher, instead an apparent dating ranging from color and you can intercourse. Only one question of hermaphroditism are seen in Isostichopus sp., where step 3% of one’s gonad consisted of sperm and you can 97% oocytes.
Histology showed cuatro of your own 5 stages regarding gonadal creativity advised from the Ramofafia et al. . Contained in this study brand new indeterminate phase (I), where in fact the gametes do not yet possess outlined mobile structures one ensure it is its distinction, wasn’t observed. A description of your own histological qualities out-of gonad advancement was revealed throughout the S1 Appendix.
cuatro.5 Gonad List (GI)
In both morphotypes the lowest GI opinions had been submitted regarding the earliest half of the entire year, on the lower opinions set for Isostichopus sp. (0.4 ± 0.2%) and I. badionotus (0.8 ± 0.6%). Out-of Get forward, a steady raise is actually noticed, getting together with the limit well worth within the August that have 4.7 ± 0.9% and you will eight.6 ± 0.9%, respectively (Fig 3A and you can 3B), coinciding towards increase in h2o temperatures in addition to onset of the brand new wet season (Fig 3C and you can three dimensional). Anywhere between September and you may December the GI diminished rapidly, indicating enormous spawning, recording inside a beneficial GI of 1.5 ± 0.5% for Isostichopus sp. and you may step one.3 ± 0.4% having We. badionotus.