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DIGITAL.CSIC
Article . 2018 . Peer-reviewed
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Crustaceana
Article . 1995 . Peer-reviewed
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Crustaceana
Article . 1995 . Peer-reviewed
Data sources: Crossref
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Functional Morphometry of Aristeus Antennatus (Risso, 1816) (Decapoda, Aristeidae)

Authors: Sardà, Francisco; Bas, Carles; Lleonart, Jordi;

Functional Morphometry of Aristeus Antennatus (Risso, 1816) (Decapoda, Aristeidae)

Abstract

Se estudia el crecimiento relativo de varias medidas longitudinales dcl cuerpo de la gamba rosada, Aristeus antennatus (abdomen, escafocerito, uropodos y artejos dcl tercer y cuarto periopodos), respecto a la longitud del caparazón, mediante un análisis de la regresión de tipo-I. Se observan diferencias en el crecimiento relativo de los apéndices natatorios y pereiopodos. En los primeros (abdomen, uropodos y escafocerito), el crecimiento fue significativo para una alometria negativa, mientras que para los segundos (artejos de los pereiopodos), fue isométrico o con alometria positiva débil. Comparativamente entre sexos, se observan diferencias significativas solo en el crecimiento de los uropodos, presentando las hembras una alometria negativa más fuerte que los machos. No se observó evidencia de discontinuidad, en ningún apéndice, a lo largo del crecimiento de esta especie. Los resultados obtenidos se han comparado con los registrados por otros autores en otras especies dc gambas, langostas y cangrejos, de manera que la discusión se plantea relacionando el crecimiento relativo de estas especies con las diferentes estrategias vitales de cada grupo.

Growth as reflected by measurements of different body parts of the pink shrimp, Aristeus antennatus (abdomen, scaphocerite, uropods, and segments on the third and fourth pereiopods) was related to carapace length by type-1 regression analysis. There were differences in the relative growth of swimming appendages and pereiopods. For the former (abdomen, uropods, and scaphocerite) growth was negatively allometric at a statistically significant level, whereas for the latter (pereiopod segments) growth either was isometric or exhibited a slightly positive allometry. Comparison of the measurements between the sexes revealed differences in growth only for the uropods, with the slopes of the regression lines indicating higher negative allometry in females than in males. There was no evidence of growth discontinuity for any body part over the life cycle of individuals of this species. The results have been compared to the findings reported by other investigators working with other species of shrimps, prawns, lobsters, and crabs, and the relative growth of the different body parts has been related to the different life strategies of each group.

SCIE

471

461

Country
Spain
Keywords

3105 Peces y fauna silvestre, 240101 Anatomía animal, Gamba rosada, 310504 Protección de los peces, Crecimiento, Crustáceos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
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