Table 2 Class statistics of catches, biomass, and individual number.

From: A method to analyze the sensitivity ranking of various abiotic factors to acoustic densities of fishery resources in the surface mixed layer and bottom cold water layer of the coastal area of low latitude: a case study in the northern South China Sea

Fish species

Habitat layer

Weight(kg)

Number

Pneumatophorus japonicus, Rastrelliger kanagurta

Surface layer

17.166

165

Ariomma indica, Psenopsis anomala

Surface layer

603.075

8,292

Decapterus maruadsi

Surface layer

774.339

23,597

Trachurus japonicas

Surface layer

937.429

25,117

Sardinella aurita, Sardinella jussieu

Surface layer

290.454

23,600

Tentoriceps cristatus, Trichiurus haumela, Trichiurus nanhaiensis, Trichiurus brevis

Near-bottom layer

237.824

3,399

Navodon xanthopterus

Near-bottom layer

276.389

13,139

Argyrosomus aneus, Argyrosomus macrocephalus, Argyrosomus pawak, Argyrosomus argentatus

Near-bottom layer

151.949

9,170

Saurida undosquamis, Saurida tumbil, Saurida elongata

Near-bottom layer

206.032

2,786

Evynnis cardinalis

Near-bottom layer

784.218

26,980

Priacanthus macracanthus, Priacanthus tayenus

Near-bottom layer

269.555

8,107

Nemipterus virgatus, Nemipterus bathybius, Nemipterus oveni, Nemipterus japonicus, Nemipterus nemurus

Near-bottom layer

412.087

9,362

Upeneus bensasi, Upeneus sulfureus, Upeneus moluccensis, Parupeneus chrysopleuron

Near-bottom layer

116.327

4,250

Siganus oramin, Siganus fuscescens

Near-bottom layer

66.004

7,241

Acropoma japonicum, Acropoma hanedai

Near-bottom layer

414.008

8,343

Loligo edulis

Near-bottom layer during the day, Surface layer at night

233.187

6,234

Loligo chinensis

Near-bottom layer during the day, Surface layer at night

43.991

1,339

Other cephalopods

Near-bottom layer during the day, Surface layer at night

1,280.103

269,370

Other species

Substratum species are the majority

3,524.761

195,051

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