Length-weight and length-length relationships for rockpool fishes on the Brazilian coast

Machado, Fabiola Seabra; Oliveira, Rory Romero de Sena; Silva, Arianderson Texeira; Giarrizzo, Tommaso

doi:10.1590/1676-0611-BN-2016-0251

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short communication • Biota Neotrop. 17 (3) • 2017 • https://doi.org/10.1590/1676-0611-BN-2016-0251 linkcopy

Length-weight and length-length relationships for rockpool fishes on the Brazilian coast

Relações comprimento-peso e comprimento-comprimento para os peixes de poças de maré na costa brasileira

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Fifty-nine length-weight (LWR) and length-length (LLR) relationships were estimated for 18 fish species, belonging to 10 families. The fish specimens were captured in rockpools of 21 sites along a stretch of 4,900 km of the Brazilian coast, between latitudes 00° and 22°S, in 2012. This study represents the first reference available for five fish species (Gobiesox barbatulus, Bathygobius geminatus, Labrisomus nuchipinnis, Malacoctenus delalandii, Lutjanus alexandrei) in LLR and six (Gobiesox barbatulus, Bathygobius geminatus, Hypleurochilus fissicornis, Omobranchus punctatus, Entomacrodus vomerinus, Diplodus argenteus) in LWR.

Keywords:
intertidal fish; tidepool; allometry

Family/Species	Site/State	Site Code	n	Regression parameters
Family/Species	Site/State	Site Code	n	a	b	95% CL of a	95% CL of b	r²
Gobiesocidae
Gobiesox barbatulus Starks, 1913	Areuá-PA	4	23	0.157	1.187	-0.009 to 0.325	1.131 to 1.243	0.98
	Farol Velho-PA	5	36	0.032	1.234	-0.173 to 0.238	1.162 to 1.278	0.98
Blenniidae
*Hypleurochilus fissicornis* (Quoy & Gaimard, 1824)	Jericoacara-CE	8	82	0.131	1.139	0.0521 to 0.211	1.108 to 1.170	0.98
*Omobranchus punctatus* (Valenciennes, 1836)	Areuá-PA	4	11	0.007	1.176	-0.101 to 0.115	1.144 to 1.208	0.99
	Farol Veho-PA	5	50	-0.030	1.170	-0.145 to 0.084	1.140 to 1.200	0.99
*Scartella cristata* (Linnaeus, 1758)	Jericoacara-CE	8	264	0.106	1.169	0.034 to 0.178	1.155 to 1.184	0.98
	Canoa Quebrada-CE	10	735	0.060	1.182	0.018 to 0.102	1.171 to 1.192	0.98
	São M. do Gostoso-RN	11	39	0.038	1.166	-0.091 to 0.168	1.127 to 1.204	0.99
	Cabo Branco-PB	13	10	0.069	1.170	-0.128 to 0.267	1.117 to 1.222	0.99
	Boa Viagem-PE	14	65	0.121	1.134	0.059 to 0.1842	1.106 to 1.163	0.99
	Itapoã-BA	17	110	-0.022	1.203	-0.059 to 0.013	1.188 to 1.217	0.99
	Milagres-BA	18	97	0.117	1.145	0.051 to 0.183	1.118 to 1.172	0.98
*Entomacrodus vomerinus* Valenciennes, 1836	Itapoã-BA	17	90	0.037	1.201	-0.034 to 0.108	1.186 to 1.216	0.99
Carangidae
*Caranx latus* Agassiz, 1831	Saco-SE	15	15	-0.476	1.296	-1.137 to 0.183	1.165 to 1.427	0.97
Gerreidae
*Eucinostomus melanopterus* (Bleeker, 1863)	Saco-SE	15	90	-0.129	1.305	-0.177 to -0.081	1.278 to 1.333	0.99
Gobiidae
*Ctenogobius boleosoma* (Jordan & Gilbert, 1882)	Saco-SE	15	216	-0.096	1.300	-0.179 to -0.012	1.262 to 1.339	0.95
	Castelhanos-ES	20	24	-0.122	1.292	-0.300 to 0.059	1.202 to 1.381	0.97
*Bathygobius soporator* (Valenciennes, 1837)	Mata Fome-PA	1	95	-0.003	1.262	-0.168 to 0.161	1.223 to 1.301	0.97
	Joanes-PA	2	213	0.106	1.198	-0.014 to 0.228	1.166 to 1.231	0.96
	Paraiso-PA	3	55	0.079	1.219	-0.057 to 0.215	1.186 to 1.251	0.99
	Calhau-MA	6	34	-0.120	1.260	-0.200 to -0.040	1.244 to 1.277	0.99
	Barra Grande-PI	7	29	0.011	1.222	-0.109 to 0.131	1.187 to 1.256	0.99
	Jericoacara-CE	8	267	0.081	1.229	0.014 to 0.149	1.216 to 1.242	0.99
	Canoa Quebrada-CE	10	10	-0.096	1.254	-0.726 to 0.533	1.134 to 1.375	0.98
	Pirangi do Sul-RN	12	25	0.032	1.197	-0.130 to 0.194	1.153 to 1.241	0.99
	Cabo Branco-PB	13	141	-0.062	1.246	-0.114 to -0.010	1.231 to 1.262	0.99
	Saco-SE	15	122	0.010	1.234	-0.079 to 0.099	1.214 to 1.254	0.99
	Milagres-BA	18	17	0.078	1.164	-0.023 to 0.181	1.123 to 1.205	0.99
	Cabralia-BA	19	24	0.004	1.199	-0.063 to 0.072	1.165 to 1.233	0.99
	Castelhanos-ES	20	38	-0.080	1.253	-0.246 to 0.085	1.204 to 1.303	0.98
	Tartaruga-RJ	21	46	0.036	1.204	0.284 to -0.210	1.246 to 1.161	0.98
Bathygobius geminatus Tornabene, Baldwin & Pezold, 2010	Jericoacara-CE	8	96	0.085	1.227	0.169 to 0.169	1.253 to 1.253	0.98
	Canoa Quebrada-CE	10	13	0.108	1.193	-0.158 to 0.375	1.127 to 1.258	0.99
	Pirangi do Sul-RN	12	36	0.025	1.226	-0.091 to 0.143	1.185 to 1.268	0.99
	Cabo Branco-PB	13	132	0.108	1.182	0.010 to 0.207	1.145 to 1.220	0.96
	Saco-SE	15	24	0.240	1.198	-0.113 to 0.594	1.103 to 1.293	0.96
	Forte-BA	16	20	-0.003	1.222	-0.446 to 0.438	1.048 to 1.396	0.94
	Itapoã-BA	17	21	-0.044	1.219	-0.329 to 0.240	1.071 to 1.367	0.94
	Cabralia-BA	19	15	-0.082	1.277	-0.245 to 0.079	1.216 to 1.337	0.99
	Castelhanos-ES	20	67	0.190	1.125	0.074 to 0.306	1.072 to 1.178	0.96
	Tartaruga-RJ	21	17	-0.126	1.244	-0.264 to 0.012	1.212 to 1.276	0.99
Haemulidae
*Genyatremus luteus* (Bloch, 1790)	Farol Velho-PA	5	14	0.266	1.137	-0.304 to 0.837	0.992 to 1.282	0.96
Sparidae
*Diplodus argenteus* (Valenciennes, 1830)	Tartaruga-RJ	21	21	-0.508	1.416	-1.384 to 0.366	1.208 to 1.624	0.91
Labrisomidae
Labrisomus nuchipinnis (Quoy & Gaimard, 1824)	Pirangi do Sul-RN	12	9	0.024	1.203	-0.398 to 0.447	1.132 to 1.274	0.99
	Forte-BA	16	14	-0.086	1.204	-0.504 to 0.331	1.153 to 1.255	0.99
	Itapoã-BA	17	18	0.116	1.160	0.0298 to 0.202	1.146 to 1.174	0.99
	Milagres-BA	18	28	0.149	1.157	0.005 to 0.292	1.102 to 1.212	0.98
Malacoctenus delalandii (Valenciennes, 1836)	Jericoacara-CE	8	85	0.075	1.194	-0.059 to 0.210	1.158 to 1.230	0.98
	São Miguel do Gostoso-RN	11	10	0.015	1.230	-0.154 to 0.186	1.168 to 1.291	0.99
	Pirangi do Sul-RN	12	15	-0.056	1.231	-0.277 to 0.164	1.138 to 1.323	0.98
Lutjanidae
Lutjanus alexandrei Moura & Lindeman, 2007	Jericoacara-CE	8	11	0.170	1.226	-0.157 to 0.497	1.176 to 1.275	0.99
Pomacentridae
*Abudefduf saxatilis* (Linnaeus, 1758)	Jericoacara-CE	8	180	-0.145	1.393	-0.249 to -0.041	1.366 to 1.420	0.98
	Canoa Quebrada-CE	10	41	-0.184	1.356	-0.369 to 0.001	1.273 to 1.439	0.96
	Saco-SE	15	136	0.030	1.286	-0.053 to 0.115	1.247 to 1.326	0.96
*Stegastes fuscus* (Cuvier, 1830)	Pirangi do Sul-RN	12	11	-0.388	1.378	-0.957 to 0.180	1.221 to 1.535	0.97
	Forte-BA	16	33	-0.063	1.320	-0.190 to 0.062	1.292 to 1.348	0.96
	Itapoã-BA	17	51	-0.052	1.304	-0.146 to 0.041	1.282 to 1.326	0.99
*Stegastes variabilis* (Castelnau, 1855)	Forte-BA	16	92	-0.021	1.324	-0.124 to 0.080	1.302 to 1.346	0.99
	Itapoã-BA	17	16	0.515	1.165	0.050 to 0.981	1.039 to 1.291	0.96

Family/Species	Site code	n	TL (cm)		TW (g)		Regression parameters					T-test
Family/Species	Site code	n	Min	Max	Min	Max	a	b	95% CL of a	95% CL of b	r²	T-test
Gobiesocidae
Gobiesox barbatulus Starks, 1913	4	23	1.9	6.0	0.08	3.64	0.013	2.912	0.010 to 0.017	2.681 to 3.143	0.97	0.22
	5	36	1.6	5.9	0.06	2.80	0.012	2.994	0.011 to 0.012	2.870 to 3.118	0.99	0.46
Blenniidae
Hypleurochilus fissicornis (Quoy & Gaimard, 1824)	8	82	1.7	5.6	0.04	2.05	0.010	3.116	0.008 to 0.011	2.969 to 3.261	0.96	0.06
Omobranchus punctatus (Valenciennes, 1836)	4	11	1.8	5.5	0.03	0.9	0.005	3.086	0.003 to 0.007	2.753 to 3.418	0.98	0.28
	5	50	1.8	6.8	0.02	1.61	0.005	3.064	0.004 to 0.006	2.949 to 3.178	0.98	0.13
*Scartella cristata* (Linnaeus, 1758)	8	264	2.3	10	0.15	13.19	0.012	3.002	0.011 to 0.013	2.935 to 3.069	0.97	0.47
	10	735	1.5	8.6	0.03	8.0	0.010	3.135	0.009 to 0.010	3.101 to 3.169	0.97	0.00
	11	39	1.2	6.5	0.02	3.42	0.009	3.099	0.007 to 0.011	2.960 to 3.238	0.98	0.07
	13	10	2.4	6.3	0.12	2.33	0.009	2.988	0.007 to 0.013	2.775 to 3.202	0.99	0.45
	14	65	1.0	8.3	0.01	5.85	0.009	3.037	0.008 to 0.010	2.890 to 3.185	0.96	0.30
	17	110	1.1	7.8	0.01	5.61	0.009	3.082	0.008 to 0.010	2.952 to 3.206	0.96	0.09
	18	97	1.1	6.4	0.02	2.53	0.009	3.019	0.008 to 0.010	2.911 to 3.127	0.97	0.35
Entomacrodus vomerinus Valenciennes, 1836	17	90	2.0	10	0.06	8.33	0.007	3.090	0.006 to 0.008	3.015 to 3.164	0.99	0.01
Carangidae
*Caranx latus* Agassiz, 1831	15	15	4.8	8.9	1.53	9.52	0.014	2.962	0.009 to 0.021	2.745 to 3.179	0.99	0.35
Gerreidae
*Eucinostomus melanopterus* (Bleeker, 1863)	15	90	1.1	4.4	0.01	0.79	0.009	2.812	0.009 to 0.010	2.693 to 2.931	0.96	0.01
Gobiidae
*Ctenogobius boleosoma* (Jordan & Gilbert, 1882)	15	216	1.1	4.2	0.01	0.39	0.006	2.878	0.005 to 0.006	2.803 to 2.952	0.96	0.01
	20	24	1.1	4.0	0.01	0.35	0.006	2.901	0.006 to 0.008	2.724 to 3.077	0.98	0.13
*Bathygobius soporator* (Valenciennes, 1837)	1	95	1.4	9.3	0.02	9.46	0.010	3.046	0.008 to 0.012	2.956 to 3.135	0.98	0.15
	2	213	2.6	7.8	0.22	6.62	0.009	3.151	0.008 to 0.011	3.072 to 3.230	0.97	<0.001
	3	55	2	10.4	0.11	13.93	0.013	2.968	0.011 to 0.015	2.887 to 3.049	0.99	0.22
	6	34	0.8	9.9	0.01	13.79	0.009	3.129	0.007 to 0.012	2.960 to 3.298	0.98	0.06
	7	29	1.5	7.0	0.03	3.92	0.008	3.165	0.007 to 0.009	3.079 to 3.251	0.99	<0.001
	8	267	1.5	10.5	0.05	15.8	0.009	3.169	0.008 to 0.010	3.114 to 3.225	0.98	<0.001
	10	10	1.4	9.3	0.03	10.15	0.010	3.051	0.008 to 0.013	2.922 to 3.180	0.99	0.19
	12	25	0.8	8.5	0.01	7.06	0.008	3.137	0.006 to 0.010	2.930 to 3.345	0.98	0.09
	13	141	1.0	7.8	0.01	5.97	0.008	3.198	0.007 to 0.008	3.149 to 3.247	0.99	<0.001
	15	122	1.0	10.6	0.01	15.78	0.008	3.155	0.008 to 0.009	3.114 to 3.195	0.99	<0.001
	18	17	1.2	6.5	0.01	2.75	0.007	3.169	0.006 to 0.009	2.974 to 3.365	0.99	0.04
	19	24	1.0	4.5	0.01	0.7	0.007	3.042	0.006 to 0.009	2.820 to 3.263	0.97	0.34
	20	38	2.2	7.8	0.12	4.76	0.011	2.913	0.010 to 0.013	2.795 to 3.032	0.99	0.07
	21	46	1.0	10.9	0.01	12.08	0.011	2.973	0.009 to 0.012	2.900 to 3.046	0.99	0.23
Bathygobius geminatus Tornabene, Baldwin & Pezold, 2010	8	96	1.6	6.9	0.04	4	0.008	3.135	0.007 to 0.010	3.034 to 3.237	0.98	<0.001
	10	13	1	7.8	0.01	4.25	0.010	3.008	0.008 to 0.013	2.844 to 3.173	0.99	0.45
	12	36	1.5	6.1	0.03	1.64	0.008	3.002	0.007 to 0.011	2.829 to 3.175	0.97	0.49
	13	132	1.6	4.7	0.04	1.06	0.009	3.055	0.008 to 0.010	2.969 to 3.141	0.97	0.10
	15	24	1.8	8.6	0.06	7.69	0.008	3.142	0.007 to 0.009	3.040 to 3.244	0.99	0.49
	16	20	1.8	3.4	0.05	0.46	0.010	3.066	0.008 to 0.012	2.854 to 3.278	0.98	0.26
	17	21	1.2	3.8	0.01	0.47	0.007	3.096	0.006 to 0.009	2.846 to 3.346	0.97	0.21
	19	15	1.7	4.5	0.04	0.83	0.007	3.084	0.005 to 0.010	2.819 to 3.350	0.98	0.25
	20	67	1.1	4.2	0.01	0.66	0.009	3.008	0.008 to 0.010	2.878 to 3.138	0.97	0.45
	21	17	2.7	7.5	0.22	4.63	0.010	2.997	0.009 to 0.011	2.925 to 3.070	0.99	0.47
Haemulidae
*Genyatremus luteus* (Bloch, 1790)	5	14	3.8	6.2	0.85	3.97	0.019	2.910	0.012 to 0.031	2.609 to 3.210	0.97	0.26
Sparidae
Diplodus argenteus (Valenciennes, 1830)	21	21	3.6	6.4	0.51	2.99	0.010	3.045	0.008 to 0.014	2.871 to 3.218	0.99	0.30
Labrisomidae
*Labrisomus nuchipinnis* (Quoy & Gaimard, 1824)	12	9	2.3	11.0	0.10	17.09	0.006	3.258	0.004 to 0.008	3.109 to 3.407	0.99	0.01
	16	14	6.2	11.9	2.95	20.66	0.007	3.184	0.005 to 0.012	2.990 to 3.379	0.99	0.01
	17	18	2.2	13	0.08	29.4	0.006	3.261	0.005 to 0.008	3.135 to 3.387	0.99	<0.001
	18	28	2	7.3	0.04	2.41	0.004	3.196	0.003 to 0.005	2.935 to 3.457	0.96	0.06
*Malacoctenus delalandii* (Valenciennes, 1836)	8	85	3	6.5	0.31	3.16	0.012	2.987	0.010 to 0.013	2.898 to 3.076	0.98	0.39
	11	10	2	5.1	0.06	1.32	0.006	3.175	0.005 to 0.009	2.936 to 3.414	0.99	0.03
	12	15	1.7	4.2	0.04	0.65	0.008	3.028	0.006 to 0.010	2.792 to 3.263	0.98	0.40
Lutjanidae
*Lutjanus alexandrei* Moura & Lindeman, 2007	8	11	4.4	11.3	1.25	19.76	0.015	2.955	0.007 to 0.030	2.625 to 3.285	0.98	0.38
Pomacentridae
*Abudefduf saxatilis* (Linnaeus, 1758)	8	180	1.6	11.3	0.07	32.64	0.020	2.973	0.018 to 0.022	2.904 to 3.041	0.98	0.22
	10	41	1.7	5	0.08	1.96	0.015	3.016	0.014 to 0.018	2.892 to 3.139	0.98	0.39
	15	136	1.3	4.9	0.05	2.15	0.013	3.135	0.012 to 0.015	3.018 to 3.252	0.95	0.01
*Stegastes fuscus* (Cuvier, 1830)	12	11	2.3	7.2	0.02	7.16	0.017	3.040	0.011 to 0.025	2.769 to 3.310	0.99	0.37
	16	33	1.6	9.9	0.08	23.76	0.016	3.087	0.014 to 0.018	3.005 to 3.168	0.99	0.01
	17	51	1.4	12.0	0.07	41.63	0.014	3.135	0.012 to 0.017	3.039 to 3.230	0.99	<0.01
*Stegastes variabilis* (Castelnau, 1855)	16	92	1.5	10.4	0.08	26.18	0.016	3.083	0.014 to 0.018	3.0213 to 3.145	0.99	<0.01
	17	16	2.6	6.7	0.36	5.68	0.016	3.069	0.011 to 0.023	2.8287 to 3.310	0.99	0.27

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[1] n, number of specimens; CL, confidence limits; Species in bold have length-length relationships estimates included in fishBase database (Froese & Pauly 2016) and literature.