Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)

Rajeeshkumar, Meleppura; Aneesh Kumar, K.V.; Otero-Ferrer, Jose Luís; Lombarte, Antoni; Manjebrayakath, Hashim; Saravanane, Narayanane; Sanjeevan, Veloorkirakathil Narayanan; Ramana Murthy, Mallavarapu Venkata; Tuset, Víctor M.; Centre for Marine Living Resources and Ecology (India)

Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)

16 pages, 7 figures, 4 tables, 5 appendices.-- This is CMLRE contribution no 117

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Main Authors:	Rajeeshkumar, Meleppura, Aneesh Kumar, K.V., Otero-Ferrer, Jose Luís, Lombarte, Antoni, Manjebrayakath, Hashim, Saravanane, Narayanane, Sanjeevan, Veloorkirakathil Narayanan, Ramana Murthy, Mallavarapu Venkata, Tuset, Víctor M.
Other Authors:	Centre for Marine Living Resources and Ecology (India)
Format:	artículo biblioteca
Language:	English
Published:	Consejo Superior de Investigaciones Científicas (España) 2020-12
Subjects:	Fish body traits, Otolith shape, Ecomorphology, Lophiiformes, Atributos del pez, Forma del otolito, Ecomorfología,
Online Access:	http://hdl.handle.net/10261/225418 http://dx.doi.org/10.13039/501100011033
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institution	ICM ES
collection	DSpace
country	España
countrycode	ES
component	Bibliográfico
access	En linea
databasecode	dig-icm-es
tag	biblioteca
region	Europa del Sur
libraryname	Biblioteca del ICM España
language	English
topic	Fish body traits Otolith shape Ecomorphology Lophiiformes Atributos del pez Forma del otolito Ecomorfología Fish body traits Otolith shape Ecomorphology Lophiiformes Atributos del pez Forma del otolito Ecomorfología
spellingShingle	Fish body traits Otolith shape Ecomorphology Lophiiformes Atributos del pez Forma del otolito Ecomorfología Fish body traits Otolith shape Ecomorphology Lophiiformes Atributos del pez Forma del otolito Ecomorfología Rajeeshkumar, Meleppura Aneesh Kumar, K.V. Otero-Ferrer, Jose Luís Lombarte, Antoni Manjebrayakath, Hashim Saravanane, Narayanane Sanjeevan, Veloorkirakathil Narayanan Ramana Murthy, Mallavarapu Venkata Tuset, Víctor M. Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)
description	16 pages, 7 figures, 4 tables, 5 appendices.-- This is CMLRE contribution no 117
author2	Centre for Marine Living Resources and Ecology (India)
author_facet	Centre for Marine Living Resources and Ecology (India) Rajeeshkumar, Meleppura Aneesh Kumar, K.V. Otero-Ferrer, Jose Luís Lombarte, Antoni Manjebrayakath, Hashim Saravanane, Narayanane Sanjeevan, Veloorkirakathil Narayanan Ramana Murthy, Mallavarapu Venkata Tuset, Víctor M.
format	artículo
topic_facet	Fish body traits Otolith shape Ecomorphology Lophiiformes Atributos del pez Forma del otolito Ecomorfología
author	Rajeeshkumar, Meleppura Aneesh Kumar, K.V. Otero-Ferrer, Jose Luís Lombarte, Antoni Manjebrayakath, Hashim Saravanane, Narayanane Sanjeevan, Veloorkirakathil Narayanan Ramana Murthy, Mallavarapu Venkata Tuset, Víctor M.
author_sort	Rajeeshkumar, Meleppura
title	Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)
title_short	Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)
title_full	Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)
title_fullStr	Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)
title_full_unstemmed	Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)
title_sort	differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (lophiiformes) from andaman and nicobar islands (eastern indian ocean)
publisher	Consejo Superior de Investigaciones Científicas (España)
publishDate	2020-12
url	http://hdl.handle.net/10261/225418 http://dx.doi.org/10.13039/501100011033
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spelling	dig-icm-es-10261-2254182021-02-16T12:17:47Z Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean) Diferenciando las características morfo-funcionales de las cinco especies más comunes de rapes de aguas profundas (Lophiiformes) de las islas de Andaman y Nicobar (Océano Índico oriental) Rajeeshkumar, Meleppura Aneesh Kumar, K.V. Otero-Ferrer, Jose Luís Lombarte, Antoni Manjebrayakath, Hashim Saravanane, Narayanane Sanjeevan, Veloorkirakathil Narayanan Ramana Murthy, Mallavarapu Venkata Tuset, Víctor M. Centre for Marine Living Resources and Ecology (India) Agencia Estatal de Investigación (España) Fish body traits Otolith shape Ecomorphology Lophiiformes Atributos del pez Forma del otolito Ecomorfología 16 pages, 7 figures, 4 tables, 5 appendices.-- This is CMLRE contribution no 117 [EN] Anglerfishes are widely distributed from shallow to deep-water habitats occupying different ecological niches. To explain this adaptability, we performed a morpho-functional study on common benthic anglerfishes inhabiting the Indian deep-sea waters. Sensory capabilities of species were examined using the morphology and morphometry of sagitta otoliths (related to detection sound and hearing) and eye size (related to visual communication). We also performed an analysis of the degree of functional niche overlap using fish body traits to understand the coexistence of species. Otoliths showed a morphological pattern similar to that of other anglerfishes: an archaesulcoid sulcus acusticus and variability in the irregularity of the dorsal margin. This last feature affected the allometric relationships between the otolith morphometry and fish length, as well as the otolith relative sizes of each species. The findings suggested that bigger otoliths are associated with the increase of depth distribution of species up to 1000 m, from which it decreases. Our hypothesis is that anglerfishes with irregular otolith shapes could be linked to more nocturnal feeding behaviour because they were characterized by greater eye sizes. The results also indicated interspecific significant differences in functional traits providing a low niche overlap. Therefore, our study supports the hypothesis of an environmental and ecological specialization of benthic anglerfishes [ES] Las especies del orden Lophiiformes habitan desde las aguas superficiales hasta las más profundas de los océanos ocupando diferentes nichos ecológicos. Con el fin de explicar esta adaptabilidad se llevó a cabo un estudio mofo-funcional de especies bentónicas comunes en aguas profundas del Océano Índico. La capacidad sensorial de las especies se analizó a partir de la morfología y morfometría del otolito sagitta (relacionado con la detección del sonido y la capacidad auditiva) y del tamaño del ojo (relacionado con la comunicación visual). Con el fin de comprender mejor la coexistencia entre especies, también se analizó el grado de solapamiento del nicho funcional usando atributos morfométricos del pez. Los otolitos presentaron una forma morfológica similar a otros lofiiformes: sulcus acusticus de tipo archaesulcoide y variabilidad en la irregularidad del margen dorsal. Este último carácter afectó a las relaciones alométricas entre la morfometría del otolito y la talla del pez, así como los tamañoa relativos del otolito de cada especie. Los resultados obtenidos sugieren que los otolitos más grandes estarían asociados con el incremento de la profundidad de distribución de las especies hasta los 1000 m, a partir de la cual disminuirían. La hipótesis que sustentamos es que las especies con otolitos más irregulares podrían tener un comportamiento nocturno asociado con la alimentación, ya que éstas tienen los ojos más grandes. Los resultados también indicaron diferencias interespecíficas significativas en los atributos funcionales de las especies, lo cual proporcionó un bajo solapamiento entre los nichos. En definitiva, el presente estudio apoya la hipótesis de una especialización ambiental y ecológica de las especies bentónicas de lofiiformes The financial, technical and logistical support from CMLRE is wholeheartedly appreciated With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI) Peer reviewed 2020-12-22T11:51:01Z 2020-12-22T11:51:01Z 2020-12 artículo http://purl.org/coar/resource_type/c_6501 Scientia Marina 84(4): 369-384 (2020) 0214-8358 CEX2019-000928-S http://hdl.handle.net/10261/225418 10.3989/scimar.05081.20A 1886-8134 http://dx.doi.org/10.13039/501100011033 en Publisher's version https://doi.org/10.3989/scimar.05081.20A Sí open Consejo Superior de Investigaciones Científicas (España)

Differentiating morpho-functional patterns of the five most common deep-sea benthic anglerfishes (Lophiiformes) from Andaman and Nicobar Islands (eastern Indian Ocean)

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