Length-Weight and Length-Length Relationships of 39 Demersal Fish Species of an Estuarine-Coastal Ecosystem from the Northwestern of the Baja California Peninsula, Mexico
Table 1
Biometrics of 39 demersal fish species from the Bahía Magdalena-Almejas lagoon system.
Family
Scientific name
n
Total length (cm)
Standard length (cm)
Total weight (g)
Min
Max
Mean
Min
Max
Mean
Min
Max
Mean
Achiridae
Achirus mazatlanus
282
8.5
21.9
14.9
6.4
16.8
11.6
10.8
197.9
72.8
Ariidae
Bagre panamensis
20
12.5
26.5
15.3
9.6
20.7
12.0
11.0
180.4
28.3
Occidentarius platypogon
526
9.7
48.2
16.1
7.1
38.4
12.1
6.4
1034.4
39.8
Balistidae
Balistes polylepis
151
5.8
33.1
16.0
4.9
23.5
12.5
5.1
441.4
96.8
Batrachoididae
Porichthys analis
192
6.7
36.0
16.5
5.9
32.5
14.8
2.0
422.8
47.6
Cynoglossidae
Symphurus fasciolaris
32
12.4
19.3
16.3
18.1
60.9
40.8
Symphurus williamsi
34
10.8
18.7
14.3
10.3
57.0
27.3
Engraulidae
Anchoa nasus
21
9.5
15.0
11.8
7.6
13.2
10.1
5.4
26.9
11.3
Ephippidae
Chaetodipterus zonatus
32
10.2
20.0
13.6
8.3
15.6
10.9
41.2
251.8
90.5
Gerreidae
Eucinostomus dowii
2244
8.4
19.9
12.7
6.0
15.7
10.0
7.1
118.6
26.9
Eucinostomus gracilis
1866
7.0
19.2
11.9
5.4
14.5
9.2
2.5
134.8
21.75
Haemulidae
Haemulopsis axillaris
713
8.1
26.0
14.1
6.6
20.9
11.6
6.8
244.7
45.3
Haemulopsis elongatus
106
10.6
24.0
15.0
8.5
19.3
12.2
16.3
154.5
43.6
Hamulopsis nitidus
364
8.3
19.5
12.9
6.9
16.1
10.5
7.0
108.4
30.3
Orthopristis cantharinus
32
12.0
15.4
13.1
9.8
13.3
11.0
22.5
47.6
29.8
Orthopristis chalceus
145
6.4
23.2
15.2
5.2
18.7
12.1
3.5
167.8
46.7
Orthopristis reddingi
323
11.0
21.6
15.3
8.5
17.4
12.4
13.4
118.5
49.3
Mullidae
Pseudupeneus grandisquamis
90
10.6
23.6
18.3
8.5
19.4
14.5
17.6
188.2
90.6
Ophidiidae
Ophidion galeoides
54
14.3
25.7
17.8
19.8
114.8
41.6
Paralichthydae
Citharichthys xanthostigma
25
7.5
20.0
11.2
6.2
16.5
9.3
4.4
76.5
19.7
Etropus crossotus
1602
4.9
19.6
9.5
3.7
16.3
7.7
1.5
72.2
10.5
Etropus peruvianus
1199
5.2
20.0
9.4
4.5
16.5
7.6
2.0
88.8
9.7
Hippoglossina bollmani
30
17.6
37.0
25.2
14.0
31.0
20.6
51.8
481.2
170.2
Paralichthys californicus
73
14.1
39.0
25.3
11.4
35.0
21.3
32.2
642.2
196.4
Syacium ovale
66
6.5
21.5
12.0
5.6
18.9
9.9
2.6
116.7
24.2
Xystreurys liolepis
24
6.8
25.1
13.6
5.2
21.4
11.3
2.1
220.7
40.5
Pleuronectidae
Pleuronichtys guttulatus
37
10.6
27.3
21.0
8.5
22.5
17.1
14.4
281.2
140.2
Pleuronichthys ritteri
243
9.0
21.6
14.9
7.1
17.5
11.8
10.2
148.6
47.2
Sciaenidae
Cynoscion parvipinnis
25
14.6
33.4
20.1
12.1
27.3
16.8
31.6
287.3
98.7
Elattarchus archidium
20
13.5
19.2
16.9
10.5
15.5
13.6
24.2
80.2
56.7
Serranidae
Diplectrum pacificum
1192
7.0
26.9
16.0
5.5
21.7
12.8
4.3
313.1
56.1
Paralabrax maculatofasciatus
1788
8.3
29.8
15.1
6.6
22.7
12.3
9.2
327.8
52.6
Sparidae
Calamus brachysomus
54
9.0
25.0
17.5
7.1
19.8
13.4
11.0
277.5
116.1
Synodontidae
Synodus lucioceps
52
9.5
35.6
23.1
8.8
31.2
20.1
6.6
294.4
93.5
Synodus scituliceps
81
6.7
27.8
13.5
10.3
45.5
24.3
3.7
250.7
34.9
Triglidae
Prionotus ruscarius
68
10.1
39.6
22.1
8.2
32.2
18.1
16.0
680.3
190.3
Prionotus stephanophrys
89
6.7
27.8
13.5
5.6
22.7
10.9
3.7
250.7
34.9
Tetraodontidae
Sphoeroides annulatus
48
8.6
43.8
22.5
6.6
36.5
18.4
21.1
1505.8
33.4
Sphoeroides lobatus
97
7.5
35.8
15.7
6.1
30.0
12.9
10.3
971.9
117.5
Min = minimum, Max = maximum, and n = number of organisms.
