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Aurinete Oliv Diversidade Das Lagostas Anom Munidopsidae) Da Universidade Federal de Pernambuco – UFPE Centro de Tecnologia e Geociência – CTG Departam ento de Oceanografia – DOCEAN Programa de Pós -Graduação em Oceanografia - PPGO Aurinete Oliveira Negromonte Diversidade das lagostas Anomura (Chirostylid ae, Munididae e Munidopsidae) da Bacia Potiguar, Nordeste do B rasil e biologia populacional das espécies Munida iris A. Milne-Edwards, 1880 e Agononida longipes (A. Milne-Edwards, 1880) Recife 2015 Aurinete Oliveira Negromonte Diversidade das lagostas Anomura (Chirostylidae, Munididae e Munidopsidae) da Bacia Potiguar, Nordeste do Brasil e biologia populacional das espécies Munida iris A. Milne-Edwards, 1880 e Agononida longipes (A. Milne-Edwards, 1880) Dissertação apresentada ao Programa de Pós- Graduação em Oceanografia da Universidade Federal de Pernambuco (PPGO-UFPE), como um dos requisitos para a obtenção do título de Mestre em Oceanografia, Área de concentração: Oceanografia Biológica. Orientador: Jesser Fidelis de Souza Filho Recife 2015 M393d Negromonte , Aurinete Oliveira . Diversidade das lagostas Anomura (Chirostylidae, Munididae e Munidopsidae) da Bacia Potiguar, Nordeste do Brasil e biologia populacional das espécies Munida íris A. Milne-Edwards, 1880 e Agononida longipes (A. Milne-Edwards, 1880). / Felipe B. Rafael Brasiliano Cavalcante - Recife: O Autor, 2015. 88 folhas. Il., e Tabs. Orientador: Profº. Dr. Jesser Fidelis de Souza Filho. Dissertação (Mestrado) – Universidade Federal de Pernambuco. CTG. Programa de Pós- Graduação em Oceanografia, 2015. Inclui Referências. 1. Oceonografia. 2. Mar profundo. 3. Estudo populacional. 4. Galateídeos. I. Souza Filho, Jesser Fidelis de. (Orientador). II. Título. UFPE 551.46 CDD (22. ed.) BCTG/2015 - 155 Universidade Federal de Pernambuco – UFPE Centro de Tecnologia e Geociência – CTG Departamento de Oceanografia – DOCEAN Programa de Pós-Graduação em Oceanografia - PPGO Aurinete Oliveira Negromonte Diversidade das lagostas Anomura (Chirostylidae, Munididae e Munidopsidae) da Bacia Potiguar, Nordeste do Brasil e biologia populacional das espécies Munida iris A. Milne-Edwards, 1880 e Agononida longipes (A. Milne-Edwards, 1880) Folha de Aprovação – Banca Examinadora 29/05/2015 ___________________________________________________________________ Prof. Dr. Jesser Fidelis de Souza-Filho (Departamento de Oceanografia da Universidade Federal de Pernambuco- Presidente) ____________________________________________________________________ Prof. Dr. Marina de Sá Leitão Câmara de Araújo (Universidade de Pernambuco Campus Garanhuns - Titular) ______________________________________________________________________ Dr. Débora Lucatelli de Albuquerque (Universidade Federal de Pernambuco - Titular) Recife 2015 AGRADECIMENTOS Agradeço primeiramente a Deus por todas as bênçãos que Ele tem me dado; À Universidade Federal de Pernambuco, ao Departamento de Oceanografia, ao Programa de Pós-Graduação em Oceanografia pela oportunidade que me foi dada; À Petróleo Brasileiro S.A. – PETROBRAS por conceder o material para estudo; Ao CNPq por conceder a bolsa; Ao meu orientador Jesser Fidelis de Souza Filho pela orientação e contribuição, ao Museu de Oceanografia Prof. Petrônio Alves Coelho e ao Laboratório de Carcinologia por ceder o espaço para que fosse realizado o presente estudo; À minha amada família pelo amor que nos une, impossível expressar em palavras o que eu sinto por todos e cada um; E aos amigos que me deram apoio. RESUMO O presente estudo teve como objetivo registrar as espécies das famílias Chirostylidae, Munididae e Munidopsidae ocorrentes na região da Bacia Potiguar, além de descrever a estrutura populacional e crescimento relativo das lagostas mais abundantes da área. O material é proveniente de coletas realizadas durante a execução do projeto “Avaliação da Biota Bentônica e Planctônica na porção offshore das Bacias Potiguar e Ceará (BPot)”. Foram realizadas 40 coletas, sendo 20 em dezembro de 2009 e 20 em maio de 2011, nas isóbatas de 150 m, 400 m, 1000 m e 2000 m. Em cada isóbata foram feitas 5 estações em triplicata. Os exemplares foram identificados ao nível de espécie e sexados de acordo com a posição do gonóporo. Das espécies mais abundantes foram aferidas as seguintes medidas: Comprimento da Carapaça (CC), Largura da Carapaça (LC), Largura do Abdômen (LA), Comprimento da Quela direita (CQd), Comprimento da Quela esquerda (CQe), Largura da Quela direita (LQd) e Largura da Quela esquerda (LQe), posteriormente foram relacionadas através da equação potência y = a x b, CC foi utilizado como variável independente ( x) e as demais dimensões corporais (variáveis dependentes, y). Foi contabilizado um total de 2073 indivíduos, distribuídos em 3 famílias e 10 espécies, sendo 1 da família Chirostilydae Ortmann, 1892: Uroptychus nitidus (A. Milne Edwards, 1880); 6 da família Munididae Ahyong, Baba, Macpherson, Poore, 2010: Agononida longipes (A. Milne Edwards, 1880), Munida constricta A. Milne Edwards, 1880, M.unida forceps A. Milne Edwards, 1880, Munida iris A. Milne Edwards, 1880, Munida microphthalma A. Milne Edwards, 1880 e Munida valida Smith 1883; e 3 da família Munidopsidae Ortmann, 1898: Galacantha rostrata A. Milne Edwards, 1880, Munidopsis nitida (A. Milne Edwards, 1880) e Munidopsis sigsbei (A. Milne Edwards, 1880). As espécies M. iris e A. longipes foram as mais abundantes. A proporção sexual de M. iris e variou significativamente (χ² = 5,54), sendo os machos dominantes (1,26:1), já entre fêmeas não-ovígeras e fêmeas ovígeras não houve variação significativa ( χ² = 2,41 ) (1,25:1). Para A. longipes houve diferença significativa na proporção macho e fêmeas ( χ² = 122,42), sendo os machos dominantes (1,84:1) e também na proporção fêmeas não-ovígeras e fêmeas ovígeras ( χ² = 74,0), sendo as fêmeas não-ovígeras dominantes (2,26:1). Na curva de maturidade morfológica de M. iris, os machos atingem a fase adulta em 14,5 mm CC e as fêmeas em 12,8 mm CC e de A. longipes o valor obtido para os machos foi de 14,25 mm CC e para as fêmeas foi de 13,75 mm CC. Os machos de M. iris apresentaram crescimento alométrico positivo nas relações CC vs. LC e CC vs. CQd, isométrico na relação CC vs. LA e negativo em CC vs. LQd; as fêmeas apresentaram crescimento alométrico positivo nas relações CC vs. LA e CC vs. CQd, e negativo em CC vs. LC e CC vs. LQd. As fêmeas ovígeras apresentaram crescimento negativo em quase todas as relações (CC vs. LC, CC vs. LA e CC vs. LQd), e apenas na relação CC vs. CQd apresentou crescimento positivo, mostrando que as fêmeas separam os períodos de crescimento e reprodução, investindo energia em apenas um período por vez. A espécie A. longipes apresentou um padrão de crescimento diferente, tanto os machos quanto as fêmeas apresentaram crescimento alométrico positivo nas relações CC vs. LC CC vs. LA e CC vs. LQd e negativo em CC vs. CQd. As fêmeas ovígeras apresentaram crescimento alométrico positivo nas relações CC vs. LC e CC vs. LA e negativo em CC vs. LQd e CC vs. CQd. Este trabalho ampliou o conhecimento sobre a distribuição geográfica das espécies das famílias Chirostylidae, Munididae e Munidopsidae na costa do Brasil, bem como o primeiro estudo populacional das espécies M. iris e A. longipes no Brasil. Palavras-chave: Mar profundo. Nordeste do Brasil. Estudo populacional. Galateídeos. ABSTRACT This study aimed to record the species of the families Chirostylidae, Munididae and Munidopsidae from Potiguar Basin and describe the population structure and relative growth of the most abundant species from this area. The material was collected during the project “Avaliação da Biota Bentônica e Planctônica na porção offshore das Bacias Potiguar e Ceará (BPot)”. It was sampled 40 stations: 20 in December of 2009 and 20 in May of 2011 in isobaths of 150 m, 400 m, 1000 m and 2000 m. At each isobaths were sampled 5 stations in triplicate. The specimens were identified to the species level and sexed according to gonopore position. For the most abundant species were taken the following measures: carapace length (CC) carapace width (LC), abdomen width (LA), length of right chaela (CQD), length of left chaela (CQe), width of right chaela (LQd), width of left chaela (LQe). Posteriorly, were related through the potential equation y = ax b, CC was used as independent variable (x) and other body dimensions (dependent variables, y). A total of 2073 individuals were counted, distributed in 3 family and 10 species: 1 specie of the Chirostilydae Ortmann, 1892 Uroptychus nitidus (A. Milne Edwards, 1880), 6 of the family Munididae Ahyong, Baba, Macpherson, Poore, 2010 Agononida longipes (A. Milne Edwards, 1880), Munida constricta A. Milne Edwards, 1880, Munida forceps A. Milne Edwards, 1880, Munida iris A. Milne Edwards, 1880, Munida microphthalma A. Milne Edwards, 1880 e Munida valida Smith 1883 and 3 of the family Munidopsidae Ortmann, 1898 Galacantha rostrata A. Milne Edwards, 1880, Munidopsis nitida (A. Milne Edwards, 1880) and Munidopsis sigsbei (A. Milne Edwards, 1880). Munida iris and Agononida longipes were the most abundants. The sex ratio of M. iris range significantly ( χ² = 5.54), with males dominancy (1.26:1), but between non-ovigerous females and ovigerous females there was no significant variation ( χ² = 0.58) (1.25:1). To A. longipes there wasn’t significant difference in the sex ratio between male and female (χ² = 122.42), being the males dominant (1.84: 1) and also in the proportion between non-ovigerous females and ovigerous females (χ² = 74.0), being the dominant non-ovigerous females (2.26: 1). The morphological maturity curve
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