a) Isostichopus sp.
An average TL was 193 ± 52 mm (± SD), restriction 380 mm and lowest 75 mm. These types of thinking varied dependent on sex (+ = 195 ± 45 mm, > = 202 ± 52 mm and you can versus gonad 179 ± 61 mm). People instead of an excellent gonad were notably smaller than the new males (n = 221; K = 6.513; p = 0.039).
Length-frequency shipments are unimodal with a peak on listing of 180 in order to 215 mm (Fig 2A). The new L50 was founded at the 175 mm (95% count on period: 174–176 mm) (Fig 2C). The tiniest personal with gonads was a male (110 mm).
A and you may B distribution frequency out-of duration and lbs Isostichopus sp.; Elizabeth and you can F shipments volume of duration and weight Isostichopus badionotus; C and D length and you can pounds at first readiness Isostichopus sp.; Grams and you may H length and you may weight initially readiness Isostichopus badionotus.
An average BW (± SD) try 179 ± 69 grams, limit 558 g and you may minimal 18 grams (+ = 187 ± 58 grams, > = 190 ± 71 grams and you can as opposed to gonad 154 ± 77 grams). People in place of gonads were less hefty than simply people and you will guys (n = 221; K = ; p = 0.003).
Regularity shipment of your own BW is unimodal having a maximum when you look at the all of the 153 so you’re able to 198 grams (Fig 2B). The fresh W50 are situated in the 155 grams (95% confidence interval: 154–156 g) (Fig 2D). The tiniest personal obtained having gonads was a masculine (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 length-frequency shipments is actually unimodal, which have a peak from the set of 355 so you can 390 mm (Fig 2E). The fresh new L50 try built at 220 mm (95% trust period: 217–221 mm) (Fig 2G). The smallest individual amassed which have gonads is a male (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; Fdos,111 = ; p = 0.001).
Regularity distribution away from BW are unimodal having a highest regarding range of 607 in order to 642 g (Fig 2F). The newest W50 are centered within 348 grams (95% rely on interval: 344–350 g) (Fig 2H). The tiniest individual collected that have gonads are a female (363 grams).
Both in sea cucumbers the fresh gonad try consisting of several tufts off tubules that have an excellent racemose appearance located at the prior end of your coelom, and therefore stumbled on undertake all the perivisceral cavity on stage out-of readiness (III). Colour of the gonad from both sea cucumbers varied out of beige–whitish in order to ocher, chicas escort Saint Paul in the place of an apparent relationship ranging from colour and you will gender. One question of hermaphroditism try found in Isostichopus sp., in which step 3% of your own gonad contains spunk and you will 97% oocytes.
Histology demonstrated 4 of the 5 grade from gonadal advancement advised from the Ramofafia ainsi que al. . Inside studies new indeterminate stage (I), where in actuality the gametes don’t yet , possess laid out cellular structures you to definitely allow its differentiation, was not seen. A reason of histological features away from gonad creativity is shown regarding S1 Appendix.
4.5 Gonad List (GI)
Both in morphotypes a minimal GI opinions was registered on the very first 50 % of the season, with the reasonable viewpoints set for Isostichopus sp. (0.cuatro ± 0.2%) as well as We. badionotus (0.8 ± 0.6%). Regarding Can get beforehand, a slow increase is actually observed, reaching their maximum really worth for the August with 4.7 ± 0.9% and you will eight.6 ± 0.9%, respectively (Fig 3A and you will 3B), coinciding for the rise in h2o temperature plus the start of the fresh new rainy seasons (Fig 3C and you may three dimensional). Anywhere between Sep and you can December the fresh GI decreased rapidly, proving big spawning, tape during the a great GI of just one.5 ± 0.5% getting Isostichopus sp. and you may 1.3 ± 0.4% for I. badionotus.
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