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Fig. 9 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 9: Mean monthly GSI values for male and female dolphinfish categorised as spawners. Error bars represent ± 2 SE.

Fig. 8 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 8: Maturity ogive for male and female dolphinfish collected from Maltese longline and FAD fisheries in the period 2004–2010.

Fig. 7 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 7: Sex ratio for different size classes of dolphinfish from the Maltese FAD fishery in the period 2004–2010.

Fig. 10 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 10: Birthdate distribution for male and female juvenile dolphinfish sampled from the Maltese FAD fishery.

Fig. 5 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 5: Dorsal spine found to be most suitable for measurement and subsequent calculation of the MIR. This was the first of the longest spines in the dorsal fin (arrow) of dolphinfish. Spine numbers within the dorsal fin are indicated. (Scale bar: 3 cm).

Fig. 4 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 4: L-W relationships for male and female dolphinfish sampled from the Maltese longline and FAD fisheries in the period 2004-2010.

Fig. 3 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 3: Top: Two-year old dolphinfish and bottom: One-year old dolphinfish dorsal spine sections at X25 magnification. A corresponds to the 1st year annulus while B corresponds to the 2nd year annulus.

Fig. 2 in Age, Growth and Reproduction of Coryphaena hippurus (Linnaeus, 1758) in Maltese Waters, Central Mediterranean

Fig. 2: Comparison of dolphinfish, swordfish and bluefin tuna landings (Data supplied by the Agriculture and Fisheries Regulation Department, MRRA)

Fig. 5 in Variações na forma do otólito sagitta de Coryphaena hippurus (Actinopterygii: Coryphaenidae) em uma área de ressurgência na costa sudoeste do Oceano Atlântico

Fig. 5. Variações na forma dos otÓlitos sagitta de Coryphaena hippurus Linnaeus, 1758 explicada por cada componente principal (CP). A coluna da esquerda apresenta a sobreposição da média ± 2 X o desvio padrão (D.P.) dos contornos das formas.

Fig. 2 in Variações na forma do otólito sagitta de Coryphaena hippurus (Actinopterygii: Coryphaenidae) em uma área de ressurgência na costa sudoeste do Oceano Atlântico

Fig. 2. Distribuição dos descritores de forma dos otÓlitos de Coryphaena hippurus Linnaeus, 1758 capturados em 2014 (●), 2015 (●) e 2016 (●) gerado a partir de uma análise discriminante linear.

Fig. 1 in Variações na forma do otólito sagitta de Coryphaena hippurus (Actinopterygii: Coryphaenidae) em uma área de ressurgência na costa sudoeste do Oceano Atlântico

Fig. 1. Região de estudo no Sudoeste do Oceano Atlântico, com indicação das três áreas de atividade da frota pesqueira que captura Coryphaena hippurus Linnaeus, 1758 desembarcado nos portos do Rio de Janeiro, Brasil (LCS, Lineamento Cruzeiro do Sul, indicando alteração no sentido da plataforma continental).

Fig. 4 in Variações na forma do otólito sagitta de Coryphaena hippurus (Actinopterygii: Coryphaenidae) em uma área de ressurgência na costa sudoeste do Oceano Atlântico

Fig. 4. Imagens digitais de exemplares de otÓlitos sagitta de Coryphaena hippurus Linnaeus, 1758 referentes aos morfotipos A, B, C e D encontrados para a área de estudo (escala = 1mm).

Fig. 3 in Variações na forma do otólito sagitta de Coryphaena hippurus (Actinopterygii: Coryphaenidae) em uma área de ressurgência na costa sudoeste do Oceano Atlântico

Fig. 3. Dendrograma da análise de agrupamento com base nas distâncias euclidianas das amplitudes das 30 primeiras harmônicas e contorno dos quatro morfotipos de otÓlitos sagitta de Coryphaena hippurus Linnaeus, 1758 registrados na costa sudoeste do Oceano Atlântico.

Figure 3 in Régime alimentaire de la dorade coryphène Coryphaena hippurus (Coryphaenidae) des côtes tunisiennes

Figure 3. - Variation du spectre alimentaire (Cn %) en fonction de la taille chez Coryphaena hippurus des côtes tunisiennes. [Food spectrum variation (% Cn) according to size for C. hippurus from Tunisian coast.]

Figure 2 in Régime alimentaire de la dorade coryphène Coryphaena hippurus (Coryphaenidae) des côtes tunisiennes

Figure 2. - Importance des poissons exprimée en Cn %, dans le régime alimentaire de Coryphaena hippurus des côtes tunisiennes. [Importance of fish expressed in (Cn%) in the diet of C. hippurus from Ttunisian coast.]

Figure 1 in Régime alimentaire de la dorade coryphène Coryphaena hippurus (Coryphaenidae) des côtes tunisiennes

Figure 1. - Spectre alimentaire (Cn %) chez Coryphaena hippurus des côtes tunisiennes. [Spectrum food (Cn%) of C. hippurus from Tunisian coast.]

Figure 1 in Cycle reproductif et gamétogenèse de la dorade coryphène Coryphaena hippurus (Coryphaenidae) des eaux tunisiennes

Figure 1. - Variation mensuelle des stades de développement gonadique de Coryphaena hippurus, capturée dans les eaux tunisiennes. [Monthly variation of the gonadic development of C. hippurus captured in Tunisian waters.]

Figure 2 in Cycle reproductif et gamétogenèse de la dorade coryphène Coryphaena hippurus (Coryphaenidae) des eaux tunisiennes

Figure 2. - Début de prévitellogenèse (LF = 29 cm). A: Travée d'ovocytes le long des lamelles ovariennes; B: Ovogonies, ovocytes primordiaux Ia et Ib. [Beginning of previtellogenesis (LF = 29 cm). A: Oocyte row along ovarian lamella; B: Ovogonies, primordial oocytes Ia and Ib.] Figure 3. - Prévitellogenèse (LF = 37 cm). A: Ovocytes secondaires (IIa) avec hétérogénéité cytoplasmique; B: Ovocyte secondaire (IIb) avec apparition des premières inclusions glucidiques. [Previtellogenesis (LF = 37 cm). A: Secondary oocytes (IIa) with cytoplasmic heterogeneity; B: Secondary oocytes (IIb) with appearance of first carbohydrate inclusion.] Figure 4. - Début de vitellogenèse (LF = 43 cm). A: Ovocyte secondaire en début de vitellogenèse: apparition des granules vitellins et de vésicules glucidiques; B: Ovocyte secondaire (IIc) en vitellogenèse plus avancée: le vitellus envahit tout le cytoplasme. [Beginning of vitellogenesis (LF = 43 cm). A: Secondary oocyte vitellogenesis beginning: appearance of vitellin granules and carbohydrate vesicle; B: Secondary oocyte (IIc) progress vitellogenesis: vitellus overruns all the cytoplasm.] Figure 5. - Vitellogenèse (LF = 53 cm). A: Ovocyte tertiaire (III) en vitellogenèse avancée: noyau encore central, disparition de la membrane nucléaire; B: Ovocyte (III) en vitellogenèse plus avancée: noyau plus diffus, accumulation de vésicules vitellines et globules lipidiques autour du noyau, zona granulosa et zona radiata bien distinctes. [Vitellogenesis (LF = 53 cm). A: Oocyte tertiary (III) in advanced vitellogenesis: nucleus yet central, disappearance of the nuclear membrane; B: Oocyte (III) in more advanced vitellogenesis: nucleus more diffuse, accumulation of vitelline vesicles and lipid globules around the nucleus, zona granulosa and zona radiata distinct.]

Figure 10 in Cycle reproductif et gamétogenèse de la dorade coryphène Coryphaena hippurus (Coryphaenidae) des eaux tunisiennes

Figure 10. - Testicule immature (A) (LF = 24 cm) et en début d'activité (B) (LF = 31 cm) avec des cystes spermatogoniques retenus à la périphérie. [Immature testicle (A) (LF = 24 cm) and beginning of activity (B) (LF = 31 cm) with spermatogonic cystis retained at the periphery.] Figure 11. - Testicule en maturation (A) (LF = 42 cm): divers cystes à plusieurs stades de différenciation. Testicule en maturation avancée (B) (LF = 49 cm): spermatides occupant la totalité de la lumière du lobule. [Testicular maturation (A) (LF = 42 cm): cystis range at various stages of differentiation. Testicular maturation in advanced maturation (B) (LF = 49 cm): spermatids occupying entirely the light of the lobule.] Figure 12.- A: Fragment de testicule en période d'activité pré-ponte (LF = 57 cm): lobules séminifères à différents stades de la spermatogenèse, des spermatogonies aux spermatozoïdes immatures. B: Testicule mature en période de reproduction (LF = 66 cm): lobules séminifères distendus par le sperme. [A: Testicle fragment in pre-spawning period of activity (LF = 57 cm): lumen of the seminiferous tubules at various stages of spermatogenesis, from spermatogonial cells to sperm. B: Testicle in period of reproduction (LF = 66 cm): lumen of the seminiferous tubules distended by the sperm]