Hábitos alimentares das espécies congêneres <i>Stellifer
                            rastrifer</i> e <i>Stellifer brasiliensis</i>
                        (Acanthopterygii: Sciaenidae) co-ocorrendo na costa do estado de Santa
                        Catarina, Brasil

Sabinson, LM.; Rodrigues-Filho, JL.; Peret, AC.; Branco, JO.; Verani, JR.

doi:10.1590/1519-6984.15813

LM. Sabinson ^**e-mail: liasabinson@gmail.com

Laboratório de Ictiologia e Dinâmica de Populações, Departamento de Hidrobiologia, Universidade Federal de São Carlos – UFSCar, Rodovia Washington Luís, km 235, CEP 13565-905, São Carlos, SP, Brazil

JL. Rodrigues-Filho

Laboratório de Ictiologia e Dinâmica de Populações, Departamento de Hidrobiologia, Universidade Federal de São Carlos – UFSCar, Rodovia Washington Luís, km 235, CEP 13565-905, São Carlos, SP, Brazil

AC. Peret

Laboratório de Ictiologia e Dinâmica de Populações, Departamento de Hidrobiologia, Universidade Federal de São Carlos – UFSCar, Rodovia Washington Luís, km 235, CEP 13565-905, São Carlos, SP, Brazil

JO. Branco

Universidade do Vale do Itajaí – UNIVALI, Rua Uruguai, 458, setor D4, sala 203, CEP 88302-202, Itajaí, SC, Brazil

JR. Verani

Laboratório de Ictiologia e Dinâmica de Populações, Departamento de Hidrobiologia, Universidade Federal de São Carlos – UFSCar, Rodovia Washington Luís, km 235, CEP 13565-905, São Carlos, SP, Brazil

*e-mail: liasabinson@gmail.com

Figuras (4)
Tabelas (3)

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Figure 1
Kawakami and Vazzoler (1980)Kawakami, E. and VAZZOLER, AEAM., 1980. Método gráfico e estimativa de indice alimentar aplicado no estudo de alimentação de peixes. Boletim do Instituto Oceanográfico, vol. 29, no. 2, p. 205-207. http://dx.doi.org/10.1590/S0373-55241980000200043.
http://dx.doi.org/10.1590/S0373-55241980... feeding index (IAi) for the main food items consumed by Stellifer rastrifer and S. brasiliensis collected in spring, summer, autumn and winter (2009/2010) in Porto Bello, Santa Catarina.

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Figure 2
Relative condition factor (Kr) of Stellifer brasiliensis and S. rastrifer for specimens collected in spring, summer, autumn and winter (2009/2010) in Porto Belo, Santa Catarina.

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Figure 3
Weight-length curve for Stellifer rastrifer (Wt = 0.0151Ls^3,2379) and S. brasiliensis (Wt = 0.0198Ls^3.0798) and for specimens collected in spring, summer, autumn and winter (2009/2010) in Porto Belo, Santa Catarina.

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Figure 4
Condition factor (K) by length classes (cm) of Stellifer rastrifer and S. brasiliensis for all specimens collected in Porto Belo, SC (2009/2010).

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Table 1
Repletion degree of stomachs analyzed of Stellifer rastrifer (Sr) and Stellifer brasiliensis (Sb) in each season, for specimens collected in Porto Belo, SC (2009/2010).

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Table 2
Frequency of occurrence (%), relative volume (%) and feeding index by season, during the study period for each food item consumed by Stellifer rastrifer.

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Table 3
Frequency of occurrence (%), relative volume (%) and feeding index by season, during the study period for each food item consumed by Stellifer brasiliensis.

Repletion Degree	Spring		Summer		Autumm		Winter
Repletion Degree	Sr	Sb	Sr	Sb	Sr	Sb	Sr	Sb
1	14	23	2	20	43	27	10	21
2	28	28	6	36	45	23	7	14
3	11	7	5	12	6	8	7	3
4	0	1	4	6	2	3	5	1
5	3	4	4	3	5	0	1	2
Total	56	63	21	77	101	61	30	41

Method	Frequency of Ocurrence (%)				Relative Volume (%)				Feeding Index
Item	Sp	Su	Au	Wi	Sp	Su	Au	Wi	Sp	Su	Au	Wi
Crustacea
Malacostraca
Decapoda un.	17.50		13.64		16.82		15.85		0.089		0.147
Xiphopenaeus kroyeri			2.27				0.33				0.001
Acetes americanus	47.50	7.41	25.00	94.44	56.78	6.15	33.48	93.32	0.815	0.021	0.571	0.996
Portunidae		3.70				1.54				0.003
Xanthidae		3.70	2.27			4.62	2.77			0.008	0.002
Anomura
Paguroidea		11.11				10.77				0.055
Megalopa			2.27				1.11				0.076
Ovas Crustacea			15.91				6.98				0.018
Isopoda			2.27				0.55				0.001
Amphipoda		3.70	2.27			3.08	1.11			0.005	0.002
Gammaridae		37.04	2.27			43.08	0.89			0.729	0.001
Caprellidae			2.27				0.22				<0.001
Maxillopoda
Copepoda
Calanoidea	22.50				10.83		0		0.074
Cyclopoidea	5.00		11.36		5.05		1.77		0.008		0.014
Echinodermata
Ophiuroidea			2.27				2.22				0.003
Annelida
Polychaeta		7.41	2.27			4.62	9.98			0.016	0.015
Osteichthyes	5.00	14.81	11.36	5.56	9.46	18.46	20.51	6.68	0.014	0.125	0.159	0.004
Scale	2.50	11.11	2.27		1.05	7.69	2.22		0.001	0.039	0.003
Total	100	100	100	100	100	100	100	100	1	1	1	1

Method	Frequency of Ocurrence (%)				Relative Volume (%)				Feeding Index
Item	Sp	Su	Au	Wi	Sp	Su	Au	Wi	Sp	Su	Au	Wi
Crustacea
Malacostraca
Decapoda unidentified	24.39	20.63	26.09		16.06	19.31	27.53		0.197	0.142	0.404
Pleoticus muelleri				11.11				21.74				0.126
Litopenaeus schmitti				11.11				26.40				0.153
Xiphopenaeus kroyeri			4.35				1.404				0.003
Acetes americanus	31.71	44.44	17.39	33.33	40.14	49.93	14.33	30.12	0.641	0.788	0.140	0.523
Pinnotheridae			8.70				23.88				0.117
Pinnixa sp.	4.88	7.94			10.39	10.81			0.026	0.030
Portunidae
Callinectes sp.				22.22				12.42				0.144
Amphipoda	2.44			11.11	2.36			3.11	0.003			0.018
Gammaridae		4.76				3.24				0.005
Caprellidae	2.44				1.77				0.002
Maxillopoda
Copepoda
Calanoidea	2.44		4.35		0.59		2.25		<0.001		0.006
Annelida
Polychaeta	9.76	3.17	21.74		7.08	2.16	24.16		0.035	0.002	0.296
Nereidae		3.17				2.88				0.003
Bivalvia	7.32	4.76			6.26	2.74			0.023	0.005
Osteichthyes	9.76	7.94	13.04	11.11	13.93	8.07	3.65	6.21	0.068	0.023	0.027	0.036
Scale	4.88	3.17	4.35		1.42	0.86	2.81		0.003	<0.001	0.007
Total	100	100	100	100	100	100	100	100	1	1	1	1

[1] *e-mail: liasabinson@gmail.com

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Hábitos alimentares das espécies congêneres Stellifer rastrifer e Stellifer brasiliensis (Acanthopterygii: Sciaenidae) co-ocorrendo na costa do estado de Santa Catarina, Brasil