Comparison of laboratory-reared eggs, embryos and larvae of five labrid fishes

Kimura, Seishi; Nakayama, Yoshinori; Kiriyama, Takanari

doi:10.1007/978-94-015-9016-7_13

Cited by 7 publications

(8 citation statements)

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“…This is much larger than reported for ballan wrasse previously [12], where a standard length of 2.7 ± 0.2 mm at hatching was recorded. The length of newly hatched larvae of ballan wrasse in the present study was significantly larger than reported in many other labrid species [13], although similar to brown wrasse Labrus merula L. [14]. The variation in size of ballan wrasse larvae at hatching may be linked to egg diameter, which has a relatively large natural variation, ranging from 0.7 mm [7] to 1.14 mm [15], compared with 1.05 ± 0.04 mm in the present study.…”

Section: Discussioncontrasting

confidence: 78%

Development of Labrus Bergylta (Ascanius 1767) Larvae from Hatching to Metamorphosis

Ottesen¹,

Dunaevskaya²,

D'Arcy³

2012

J Aquac Res Development

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Ballan wrasse, Labrus bergylta (Ascanius, 1767), has commercial interest as a cleaner fish in aquaculture, and culture of juveniles may be a good alternative to catching wild fish. However, basic knowledge of early development is limited. To study hatching and larvae ontogenesis, eggs were collected from a broodstock of wild caught ballan wrasse held in captivity. Larvae were fed rotifers for 27 days; Artemia was introduced at day 20 and fed larvae to day 49 after hatching. Age at hatching, and larval ontogenesis based on external morphological features were linked to the chronological age of larvae as days post hatching (DPH) and physiological age as degree day (°C.day) and standard length (SL). The ballan wrasse egg diameter was 1.05 ± 0.04 mm and 0.87 ± 0.05 mm with and without the gelatinous layer, respectively, and hatched at a SL of 3.64 ± 0.05 mm, 7 days, i.e., 72°C.day, after fertilization. The ontogeny of larvae from hatching to metamorphosis was divided into four stages. Yolk sac larva, 0 to 9 DPH (SL 4.28 ± 0.11 mm), where mouth opens and pigmentation of the eyes is seen. Dilated swim bladder is visible. Preflexion larva, 10 to 25 DPH (SL 5.35 ± 0.30 mm); yolk sac has disappeared, and initial formation of caudal fin rays occurs. Gaseous inflation of swim bladder is observed. Flexion larva, 26 to 33 DPH (SL 5.9 ± 0.78 mm), initial resorption of primordial fin fold is seen. Postflexion larva, 34 to 49 DPH (SL 10.52 ± 0.82 mm) by the end of this stage (age 686°C.day), the dorsal, anal, caudal and pelvic fins were developed. The ontogenetic development, linked to SL, chronological and physiological age, provides a baseline reference and makes it possible to compare developmental levels in future studies of ballan wrasse in culture and wild populations.

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Section: Discussioncontrasting

confidence: 78%

Development of Labrus Bergylta (Ascanius 1767) Larvae from Hatching to Metamorphosis

Ottesen¹,

Dunaevskaya²,

D'Arcy³

2012

J Aquac Res Development

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“…There was some similarity in the larval pattern of body pigmentation between H. lacerdae larvae and other species belonging to the Labridae (Kimura et al , 1998), as well as to Chondrostoma toxostoma (Vallot) (Gozlan et al , 1999). The dark colouration observed in larvae of H. lacerdae may be related to hiding strategy, which is in agreement with the description of the dark pigmentation of the dorsal part of the larval body of the pelagic fish Leucaspius delineatus (Heckel) made by Pinder & Gozlan (2004).…”

Section: Discussionmentioning

confidence: 97%

Larval ontogeny and morphology of giant trahira Hoplias lacerdae

Gomes

Matta

Araújo

et al. 2010

Journal of Fish Biology

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In the present study, the morphology and behaviour of giant trahira Hoplias lacerdae larvae were investigated, from hatching to complete absorption of the yolk sac, under laboratory conditions. In the first day post-hatching (dph), the larvae presented a big ovoid-shaped yolk sac that underwent regression during larval ontogeny. The mouth opened 3 dph, when the pectoral fins were evident. From this day, the larvae were able to perform sudden bursts of activity and appear to be able to swim a few centimetres before sinking again. The branchial apparatus was defined at 5 dph, and by 6 dph the operculum was formed. The internal organs such as intestine, liver, kidney and external sensorial structures were present at 7 dph. The yolk sac remained until 7 dph.Journal compilation

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“…; Masuma et al . ; Kimura, Nakayama & Kiriyama ; Chen ). During this study, all developmental stages were observed at each incubation temperature and the embryonic development followed the same normal pattern at all temperatures tested.…”

Section: Discussionmentioning

confidence: 99%

Effect of incubation temperature on the embryonic development and yolk-sac larvae of the Pacific red snapperLutjanus peru(Nichols & Murphy, 1922)

Peña¹,

Dumas²,

Zavala‐Leal³

et al. 2012

Aquac Res

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The effect of incubation temperature on embryonic development and yolk-sac larva of the Pacific red snapper Lutjanus peru were evaluated by testing the effect of 26, 28 and 30°C, as this is the natural thermal interval reported during the spawning season of Pacific red snapper in the Gulf of California, Mexico. Sixteen developmental stages were observed. The incubation temperature affected the rate of development and time to hatching, being shorter at 30 than at 26°C, but no significant effect (P < 0.05) on larval length at hatching was registered. The depletion rate of yolk sac and oil globule was affected by incubation temperature particularly during the first 12 h post hatching (hph). At the end of the experiment (48 hph), significantly (P < 0.05) larger larvae were recorded at 26°C (TL = 3.22 ± 0.01 mm) than at 28°(TL = 3.01 ± 0.02 mm) and 30°C (TL = 2.97 ± 0.05 mm). Incubation of newly fertilized eggs at 26°C produces larger larvae, which may help to improve feeding efficiency and survival during first feeding.

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Comparison of laboratory-reared eggs, embryos and larvae of five labrid fishes

Cited by 7 publications

References 1 publication

Development of Labrus Bergylta (Ascanius 1767) Larvae from Hatching to Metamorphosis

Development of Labrus Bergylta (Ascanius 1767) Larvae from Hatching to Metamorphosis

Larval ontogeny and morphology of giant trahira Hoplias lacerdae

Effect of incubation temperature on the embryonic development and yolk-sac larvae of the Pacific red snapperLutjanus peru(Nichols & Murphy, 1922)

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