Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México

Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México

ABSTRACT In fish, the larval stage constitutes the most vulnerable phase in the life cycle and reveals important ecological and evolutive information of fish and fundamental data to manage marine ecosystems. However, their identity is one of the biggest gaps in knowledge, particularly for the Microg...

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Autores principales: González-Navarro,Enrique A., Saldierna-Martínez,Ricardo J., Aceves-Medina,Gerardo
Lenguaje:English
Publicado: Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2021
Materias:
Microgobius tabogensis
Gobiidae
larval development
coastal lagoon
Gulf of California
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000300497
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spelling oai:scielo:S0718-560X20210003004972021-07-27Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, MéxicoGonzález-Navarro,Enrique A.Saldierna-Martínez,Ricardo J.Aceves-Medina,Gerardo Microgobius tabogensis Gobiidae larval development coastal lagoon Gulf of California ABSTRACT In fish, the larval stage constitutes the most vulnerable phase in the life cycle and reveals important ecological and evolutive information of fish and fundamental data to manage marine ecosystems. However, their identity is one of the biggest gaps in knowledge, particularly for the Microgobius genus, where only three of 15 species have been described. In this study, the larval development of Microgobius tabogensis was described based on 116 specimens (2.75-14.20 mm standard length) from Ensenada de La Paz, Mexico. The typical gobiid body shape characterized larvae, a well-developed dorsally pigmented gas bladder, a curve at the hindgut, and 27 myomeres. The pigmentation pattern in M. tabogensis consisted of a series of melanophores along the ventral postanal midline, increasing from three to seven during the preflexion stage and up to 16 in the postflexion stage. It had three to five melanophores on the ventral preanal midline, one at the jaw angle and one on the dorsal postanal midline. Through all stages, one of the ventral melanophores was normally stellate, bigger than the others, and extended between the myomeres. A dorsal melanophore was located near the end of the intestine in the preflexion stage but disappeared with growth. Notochord flexion started at approximately 4.3 mm and ended at 5.1 mm. Anal fin development started at the beginning of the flexion stage, followed by the dorsal fin. All elements of the fins were formed by the late postflexion stage (14.2 mm).info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.49 n.3 20212021-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000300497en10.3856/vol49-issue3-fulltext-2658
institution Scielo Chile
collection Scielo Chile
language English
topic Microgobius tabogensis
Gobiidae
larval development
coastal lagoon
Gulf of California
spellingShingle Microgobius tabogensis
Gobiidae
larval development
coastal lagoon
Gulf of California
González-Navarro,Enrique A.
Saldierna-Martínez,Ricardo J.
Aceves-Medina,Gerardo
Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México
description ABSTRACT In fish, the larval stage constitutes the most vulnerable phase in the life cycle and reveals important ecological and evolutive information of fish and fundamental data to manage marine ecosystems. However, their identity is one of the biggest gaps in knowledge, particularly for the Microgobius genus, where only three of 15 species have been described. In this study, the larval development of Microgobius tabogensis was described based on 116 specimens (2.75-14.20 mm standard length) from Ensenada de La Paz, Mexico. The typical gobiid body shape characterized larvae, a well-developed dorsally pigmented gas bladder, a curve at the hindgut, and 27 myomeres. The pigmentation pattern in M. tabogensis consisted of a series of melanophores along the ventral postanal midline, increasing from three to seven during the preflexion stage and up to 16 in the postflexion stage. It had three to five melanophores on the ventral preanal midline, one at the jaw angle and one on the dorsal postanal midline. Through all stages, one of the ventral melanophores was normally stellate, bigger than the others, and extended between the myomeres. A dorsal melanophore was located near the end of the intestine in the preflexion stage but disappeared with growth. Notochord flexion started at approximately 4.3 mm and ended at 5.1 mm. Anal fin development started at the beginning of the flexion stage, followed by the dorsal fin. All elements of the fins were formed by the late postflexion stage (14.2 mm).
author González-Navarro,Enrique A.
Saldierna-Martínez,Ricardo J.
Aceves-Medina,Gerardo
author_facet González-Navarro,Enrique A.
Saldierna-Martínez,Ricardo J.
Aceves-Medina,Gerardo
author_sort González-Navarro,Enrique A.
title Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México
title_short Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México
title_full Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México
title_fullStr Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México
title_full_unstemmed Larval development of Microgobius tabogensis Meek & Hildebrand, 1928 (Pisces: Gobiidae) from a coastal lagoon in the Gulf of California, México
title_sort larval development of microgobius tabogensis meek & hildebrand, 1928 (pisces: gobiidae) from a coastal lagoon in the gulf of california, méxico
publisher Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate 2021
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000300497
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