Reproductive biology of the squirrelfish, &lt;i&gt;Holocentrus adscensionis&lt;/i&gt; (Osbeck, 1765), caught off the coast of Pernambuco, Brazil

Shinozaki-Mendes, Renata Akemi; Hazin, Fábio Hissa Vieira; Oliveira, P. G.; Carvalho, Felipe

doi:10.3989/scimar.2007.71n4715

Cited by 10 publications

(6 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The annual average sex ratio, equal to 1:1, is related to reproductive tactic, indicating a high probability of reproductive success (Shinozaki- Mendes et al, 2007). Billings and Munro (1974) when studying reef fishes in the Caribbean, found a predominance of females of H. plumieri, although they have not carried out statistical analysis.…”

Section: Discussionmentioning

confidence: 99%

Reproductive biology of Haemulon plumieri (Teleostei: Haemulidae) in Ceará state, Northeastern Brazil

et al. 2013

View full text Add to dashboard Cite

The Haemulon plumieri is a typical reef-associated and tropical species found in warm and temperate waters of the Western Atlantic. Due to the large fishing effort directed to H. plumieri, the knowledge about its reproductive biology is essential for correct stock management and conservation. The aim of this study was to characterise reproductive biology with a focus on its seasonal variation of gonadal maturation stages, first maturation size and fecundity. Specimens were monthly collected and a total of 119 females and 136 males were analysed. The reproductive cycle of Haemulon plumieri is seasonal, with higher activity between March and May. Size at first maturity (L 50 ) was estimated at 16.86 and 18.55 cm for females and males, respectively. The total fecundity ranged between 17,816 and 120,333 mature oocytes per female and relative fecundity was 235 ± 63 oocyte.g -1 whereas batch fecundity varied between 20 and 25% from total fecundity. Since the species is widely caught, we suggest a closed season from March to May and to establish a minimum catch size of 18.5 cm for both sexes, since there is no evident sexual dimorphism.Keywords: reproduction, fecundity, reef fish. Biologia reprodutiva de Haemulon plumieri (Teleostei: Haemulidae) no Nordeste do Brasil ResumoO Haemulon plumieri é uma espécie tropical, associada aos recifes, encontrada em águas quentes e temperadas do Atlântico Oeste. Em razão do grande esforço de pesca direcionado para a captura desta espécie, o conhecimento acerca da biologia reprodutiva é essencial para um correto manejo e a sua preservação. O objetivo do presente estudo foi caracterizar a biologia reprodutiva com um foco na variação sazonal dos estágios de maturação, no tamanho de primeira maturação e na fecundidade. Espécimens foram mensalmente coletados e um total de 119 fêmeas e 136 machos foi analisado. O ciclo reprodutivo de Haemulon plumieri é sazonal, com maior atividade entre os meses de março e maio. O tamanho de primeira maturação (L 50 ) foi estimado em 16,86 cm para as fêmeas e 18,55 cm para os machos. A fecundidade total variou de 17.816 a 120.333 oócitos maturos por fêmeas e a fecundidade relativa foi 235 ± 63 oócitos.g -1 , enquanto que a fecundidade parcial variou entre 20 e 25% da fecundidade total. Uma vez que a espécie é amplamente capturada, sugere-se que seja definido um período de defeso de março a maio e que se estabeleça um tamanho mínimo de captura de 18,5 cm, para ambos os sexos, já que não há dimorfismo sexual evidente.Palavras-chave: reprodução, fecundidade, peixe recifal.

show abstract

Section: Discussionmentioning

confidence: 99%

Reproductive biology of Haemulon plumieri (Teleostei: Haemulidae) in Ceará state, Northeastern Brazil

et al. 2013

View full text Add to dashboard Cite

show abstract

“…Various environmental factors may affect the synchrony of the reproductive process, including the temperature, salinity, rainfall and full moons (Peters et al 1998, Aliaume et al 2005, Shinozaki-Mendes et al 2007. According to Wootton (1990), temperature is the most important environmental factor that affects reproduction in fish, as it modulates the dynamics of the gonadal cycle and influences the secretion of gonadotropic hormones.…”

Section: Lagmentioning

confidence: 99%

Reproductive biology of common snook Centropomus undecimalis (Perciformes: Centropomidae) in two tropical habitats

Perera-García

Mendoza‐Carranza

Contreras-Sánchez

et al. 2010

RBT

View full text Add to dashboard Cite

In Southeastern Mexico, Centropomus undecimalis is an important fish species of sport and commercial fisheries for coastal and riverine communities. Fisheries along rivers and coasts depend on migratory habits of this species, and these movements are probably related to reproduction. In spite of its economic importance, few studies have been conducted focusing on its reproductive biology, and this research aims to analyze these habits. Samples (fork length, somatic and gonads weight, and macroscopic maturity stages) were obtained from organisms collected by fishermen from the largest fishing cooperatives along the coastal and riverine areas of Tabasco, from July 2006 to March 2008. Fish size ranged from 34 to 112cm fork length, with an average age of 6.42 years for males and 9.12 years for females. In riverine areas, fish sizes ranged from 30 to 85cm and the average age was 5.5 years for males and 6.6 years for females. Significant differences were recorded between lengths of males and females from the two areas (Kruskal-Wallis, p<0.05). The male:female ratio was 1:0.68 in the coast, and 1:0.16 in riverine areas. The length-weight relationship did not vary between both sexes among areas (ANCOVA, p>0.05). A curve for eviscerated weight was calculated for both sexes, for coastal fishes SW=0.0059(FL) 3.07 , and the riverine ones SW=0.0086(FL) 2.98 , with an isometric growth (b=3). The period of maximum reproduction was from July to August, with temperatures of 28 to 30°C. A significant correlation between the gonadosomatic index (GSI) and rainfall was recorded for samples of both males and females from coastal areas (r=0.63, r=0.70) whereas only one positive correlation was recorded for riverine females (r=0.57). The size at first maturity (L 50) was estimated at 60cm and 80cm (FL), corresponding to 5.5 and 8.5 years of age, for males and females, respectively. An important proportion of mature females of eight years and older, suggests that these ages contribute significantly to the reproductive biomass. The results indicate that due to changes in the exploitation period, we recommend to protect populations of the common snook. Rev. Biol. Trop. 59 (2): 669-681. Epub 2011 June 01.

show abstract

“…The slides were analyzed under a light microscope (Trinocular NIKON 50i). The gonads of males were classified as immature (without spermatozoa stored in the seminiferous tubules) or mature (with spermatozoa stored in the seminiferous tubules), according to Shinozaki-Mendes et al (2007). The scale proposed by Brown-Peterson et al (2011) was used for the maturation phases of the females, which were classified as:…”

Section: Methodsmentioning

confidence: 99%

Reproduction Aspects of Cobia Caught in Pernambuco Coast, Northeastern Brazil

et al. 2021

View full text Add to dashboard Cite

Aspects of the reproduction of cobia (Rachycentron canadum) population from the coast of Pernambuco State, Northeastern Brazil, were studied from February 2004 to August 2006. One hundred eleven individuals were analyzed: 54 females with fork length (FL) ranging from 40 to 137 cm (mean ± standard deviation: 90.7 ± 18.1 cm) and 57 males with FL from 43 to 114.5 cm (82.4 ± 17.0 cm). Histological analysis was used to identify maturational phases. Spawning capable females were found from August to May, except in December, while mature males were present throughout the year, except in July. Size at first maturity (L50) obtained by Bayesian analysis was 72.51 cm FL for females and 60.69 cm FL for males. Overall batch fecundity ranged from 192,063 to 1,600,513 oocytes (722,398 ± 430,911) and mean relative batch fecundity ranged from 32.9 to 104.8 (71.1 ± 29.8) oocytes per gram of female body weight. The data indicate that the reproduction of cobia off the coast of Pernambuco occurs throughout the year, but with peaks between February and April, period in which gonadosomatic indices reach the maximum values and then decrease until May for females and males.

show abstract

Reproductive biology of the squirrelfish, <i>Holocentrus adscensionis</i> (Osbeck, 1765), caught off the coast of Pernambuco, Brazil

Cited by 10 publications

References 10 publications

Reproductive biology of Haemulon plumieri (Teleostei: Haemulidae) in Ceará state, Northeastern Brazil

Reproductive biology of Haemulon plumieri (Teleostei: Haemulidae) in Ceará state, Northeastern Brazil

Reproductive biology of common snook Centropomus undecimalis (Perciformes: Centropomidae) in two tropical habitats

Reproduction Aspects of Cobia Caught in Pernambuco Coast, Northeastern Brazil

Contact Info

Product

Resources

About