Length-weight relationships of the ichthyofauna from a coastal subtropical system: a tool for biomass estimates and ecosystem modelling

Vaz-dos-Santos, André Martins; Gris, Bárbara

doi:10.1590/1676-0611-BN-2016-0192

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short communication • Biota Neotrop. 16 (3) • 2016 • https://doi.org/10.1590/1676-0611-BN-2016-0192 copy

Length-weight relationships of the ichthyofauna from a coastal subtropical system: a tool for biomass estimates and ecosystem modelling

Relações comprimento-peso da ictiofauna de um sistema costeiro subtropical: uma ferramenta para estimativas de biomassa e modelagem de ecossistemas

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Aiming to analyse the growth pattern, to allow biomass estimates and consequently to subsidize the ecosystem modelling, the length-weight relationships (LWR) of 39 fish species from the Araçá Bay, a subtropical coastal area chosen as model for a holistic study comprising environmental, social and economic aspects have been estimated. The objective of this study was to provide LWR for the fishes from the area itself, accurately based on the life stages of fish populations present there. Particularly for Albula vulpes, Trachinotus carolinus, T. falcatus, Archosargus rhomboidalis and Kyphosus sectatrix these are the first records of LWR in Brazil.

Keywords
Araçá Bay; relative growth; Huxley model; Brazil

Order	Family	Species		n	Total lenght (mm)			a	±	CI	b	±	CI	r²	growth pattern	% of life stage
Order	Family	Species		n	minimun	average	maximum	a	±	CI	b	±	CI	r²	growth pattern	youngs	adults
Albuliformes	Albulidae	Albula vulpes	(Linnaeus, 1758)	60	32	78	210	6.571.10^-6	±	2,201.10^-6	3,05	±	0,063	0,984	i	78	22
Anguiliformes	Muraenidae	Gymnothorax ocellatus	Agassiz, 1831	38	332	402	522	4.169.10^-9	±	0,100.10^-10	3,97	±	0,419	0,933	a+	16	84
Clupeiformes	Engraulidae	Anchoa tricolor	(Spix & Agassiz, 1829)	111	35	73	103	7.670.10^-6	±	4,756.10^-6	2,99	±	0,142	0,931	i	71	29
	Clupeidae	Harengula clupeola	(Cuvier, 1829)	654	39	74	212	6.331.10^-6	±	7,854.10^-7	3,12	±	0,025	0,983	a+	97	3
		Sardinella brasiliensis	(Steindachner, 1879)	538	43	78	116	1.306.10^-6	±	3,929.10^-7	3,41	±	0,057	0,990	a+	100	---
Aulopiformes	Synodontidae	Synodus foetens	(Linnaeus, 1766)	77	56	169	238	2.990.10^-6	±	2,191.10^-6	3,13	±	0,137	0,990	i	66	34
Mugiliformes	Mugilidae	Mugil curema	Valenciennes, 1836	1272	25	129	452	1.672.10^-5	±	3,335.10^-6	2,90	±	0,033	0,986	a-	73	27
Atheriniformes	Atherinopsidae	Atherinella brasiliensis	(Quoy & Gaimard, 1825)	1760	22	89	151	4.542.10^-6	±	3,923.10^-7	3,10	±	0,021	0,986	a+	42	58
Beloniformes	Hemiramphidae	Hyporhamphus unifasciatus	(Ranzani, 1841)	63	116	199	322	2.562.10^-7	±	1,999.10^-7	3,45	±	0,099	0,959	a+	34	66
Scorpaeniformes	Triglidae	Prionotus punctatus	(Bloch, 1793)	155	22	104	220	1.394.10^-5	±	2,568.10^-6	2,98	±	0,034	0,986	i	64	36
Perciformes	Centropomidae	Centropomus parallelus	Poey, 1860	24	200	318	403	1.307.10^-4	±	2,610.10^-4	2,55	±	0,342	0,896	a-	---	---
	Serranidae	Diplectrum radiale	(Quoy & Gaimard, 1824)	110	55	148	246	2.645.10^-6	±	1,189.10^-6	3,32	±	0,089	0,978	a+	49	51
	Carangidae	Caranx latus	Agassiz, 1831	37	59	171	225	3.765.10^-5	±	4,056.10^-5	2,82	±	0,208	0,956	i	100	---
		Chloroscombrus chrysurus	(Linnaeus, 1766)	50	38	118	210	2.070.10^-5	±	1,166.10^-5	2,85	±	0,108	0,999	a-	57	43
		Oligoplites saurus	(Bloch & Schneider, 1801)	211	20	54	254	3.194.10^-6	±	3,943.10^-7	3,17	±	0,022	0,999	a+	94	6
		Trachinotus carolinus	(Linnaeus, 1766)	91	18	34	62	1.488.10^-5	±	6,755.10^-6	2,99	±	0,112	0,999	i	94	6
		Trachinotus falcatus	(Linnaeus, 1758)	115	18	37	65	3.511.10^-5	±	1,347.10^-5	2,87	±	0,100	0,865	a-	100	---
		Trachinotus goodei	Jordan & Evermann, 1896	31	62	97	125	1.139.10^-5	±	1,634.10^-5	3,01	±	0,294	0,968	i	100	---
	Lutjanidae	Lutjanus analis	(Cuvier, 1828)	31	39	203	410	1.296.10^-5	±	7,750.10^-6	3,01	±	0,101	0,999	i	64	36
		Lutjanus synagris	(Linnaeus, 1758)	38	54	120	316	3.779.10^-5	±	1,054.10^-5	2,81	±	0,049	0,999	a-	77	23
	Gerreidae	Diapterus rhombeus	(Cuvier, 1829)	1038	14	124	258	3.999.10^-6	±	5,887.10^-7	3,27	±	0,033	0,971	a+	50	50
		Eucinostomus argenteus	Baird & Girard, 1855	2552	17	76	189	1.049.10^-5	±	2,157.10^-6	3,03	±	0,045	0,982	i	60	40
		Eucinostomus gula	(Quoy & Gaimard, 1824)	163	73	137	205	6.515.10^-6	±	3,159.10^-6	3,16	±	0,093	0,967	a+	51	49
		Eucinostomus melanopterus	(Bleeker, 1863)	87	28	174	230	1.177.10^-5	±	1,392.10^-5	3,02	±	0,231	0,951	i	36	64
		Eugerres brasilianus	(Cuvier, 1830)	35	152	194	269	8.614.10^-6	±	1,016.10^-5	3,10	±	0,226	0,991	i	11	89
	Haemulidae	Haemulon steindachneri	(Jordan & Gilbert, 1882)	56	99	154	258	1.573.10^-5	±	8,818.10^-6	2,99	±	0,105	0,968	i	71	29
		Orthopristis ruber	(Cuvier, 1830)	256	54	84	148	1.953.10^-5	±	5,317.10^-6	2,94	±	0,058	0,978	i	70	30
		Haemulopsis corvinaeformis	(Steindachner, 1868)	1477	46	120	178	8.432.10^-6	±	1,177.10^-6	3,11	±	0,028	0,973	a+	34	66
	Sparidae	Archosargus rhomboidalis	(Linnaeus, 1758)	46	16	135	191	9.168.10^-6	±	5,438.10^-6	3,14	±	0,120	0,999	a+	---	100
	Sciaenidae	Ctenosciaena gracilicirrhus	(Metzelaar, 1919)	187	42	107	145	3.765.10^-6	±	1,973.10^-6	3,26	±	0,104	0,892	a+	59	41
		Cynoscion jamaicensis	(Vaillant & Bocourt, 1883)	109	124	192	269	6.382.10^-6	±	6,343.10^-6	3,13	±	0,188	0,829	i	14	86
		Menticirrhus americanus	(Linnaeus, 1758)	61	28	234	425	5.671.10^-6	±	5,201.10^-6	3,13	±	0,156	0,984	i	5	95
		Umbrina coroides	Cuvier, 1830	38	70	111	185	1.871.10^-6	±	1,418.10^-6	3,38	±	0,145	0,999	a+	100	---
	Gobiidae	Ctenogobius boleosoma	(Jordan & Gilbert, 1882)	145	20	39	55	1.706.10^-5	±	1,384.10^-5	2,81	±	0,213	0,860	i	---	---
	Kyphosidae	Kyphosus sectatrix	(Linnaeus, 1758)	30	23	237	462	5.829.10^-6	±	5,522.10^-6	3,20	±	0,156	0,993	a+	---	---
Pleuronectiformes	Paralichthyidae	Citharichthys spilopterus	Günther, 1862	101	40	112	199	2.704.10^-6	±	7,936.10^-7	3,26	±	0,061	0,969	a+	63	37
		Etropus crossotus	Jordan & Gilbert, 1882	387	30	89	143	2.907.10^-6	±	7,864.10^-7	3,28	±	0,054	0,759	a+	28	72
		Syacium papillosum	(Linnaeus, 1758)	38	52	112	155	1.104.10^-5	±	1,216.10^-6	3,01	±	0,216	0,972	i	79	21
Tetraodontiformes	Tetraodontidae	Sphoeroides greeleyi	Gilbert, 1900	90	43	87	174	1.126.10^-4	±	5,921.10^-5	2,64	±	0,109	0,869	a-	46	54

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[1] ²Corresponding author: André Martins Vaz-dos-Santos, e-mail: andrevaz@ufpr.br