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Table 1.

Species, number of specimens and size ranges of catfish used in this study

AM
SB
Family SubfamilySpeciesNSLBMNSLO SL
Ariidae Ariopsis seemanni (Günther 1864) 57.5–77 3.08–7.76 59.0–73.0 96.9 
Pseudopimelodidae Batrochoglanis raninus (Valenciennes 1840) 42.5–61.4 1.92–5.93 52.2–60.3 52.2 
Malapteruridae Malapterurus beninensis Murray 1855 95.6–150.3 13.75–75.9 81.9–132.8 81.9 
Heptapteridae Pimelodella sp. 75.9–101.6 5.07–13.7 72.0–101.6 70.7 
Mochokidae Synodontis schoutedeni David 1936 65.8–83.7 7.34–14.64 82.2–106.6 106.6 
Auchenipteridae Trachelyopterichthys taeniatus (Kner 1858) 123.4–143.3 16.91–26.96 121.3–140.3 139.7 
Loricariidae Hypostominae Ancistrus ranunculus Muller, Rapp Py-Daniel and Zuanon 1994 72.5–103.4 9.1–26.8 72.0–94.8 89.9 
Callichthyidae Corydoradinae Corydoras sodalis Nijssen and Isbrücker 1986 48.2–54.9 3.87–5.65 49.5–51.1 49.5 
Callichthyidae Callichthyinae Dianema urostriatum (Miranda-Ribeiro 1912) 63.3–76.6 5.64–11.1 72.1–74.8 57.5 
Loricariidae Loricariinae Hemiodontichthys acipenserinus (Kner 1853) 68.0–75.7 1.23–2.17 66.4–71.4 76.1 
Loricariidae Hypoptopomatinae Hypoptopoma thoracatum Günther 1868 43.5–49.7 1.05–1.78 45.3–51.5 48.7 
AM
SB
Family SubfamilySpeciesNSLBMNSLO SL
Ariidae Ariopsis seemanni (Günther 1864) 57.5–77 3.08–7.76 59.0–73.0 96.9 
Pseudopimelodidae Batrochoglanis raninus (Valenciennes 1840) 42.5–61.4 1.92–5.93 52.2–60.3 52.2 
Malapteruridae Malapterurus beninensis Murray 1855 95.6–150.3 13.75–75.9 81.9–132.8 81.9 
Heptapteridae Pimelodella sp. 75.9–101.6 5.07–13.7 72.0–101.6 70.7 
Mochokidae Synodontis schoutedeni David 1936 65.8–83.7 7.34–14.64 82.2–106.6 106.6 
Auchenipteridae Trachelyopterichthys taeniatus (Kner 1858) 123.4–143.3 16.91–26.96 121.3–140.3 139.7 
Loricariidae Hypostominae Ancistrus ranunculus Muller, Rapp Py-Daniel and Zuanon 1994 72.5–103.4 9.1–26.8 72.0–94.8 89.9 
Callichthyidae Corydoradinae Corydoras sodalis Nijssen and Isbrücker 1986 48.2–54.9 3.87–5.65 49.5–51.1 49.5 
Callichthyidae Callichthyinae Dianema urostriatum (Miranda-Ribeiro 1912) 63.3–76.6 5.64–11.1 72.1–74.8 57.5 
Loricariidae Loricariinae Hemiodontichthys acipenserinus (Kner 1853) 68.0–75.7 1.23–2.17 66.4–71.4 76.1 
Loricariidae Hypoptopomatinae Hypoptopoma thoracatum Günther 1868 43.5–49.7 1.05–1.78 45.3–51.5 48.7 

AM, auditory measurements; BM, body mass (g); N, number of specimens; O, examination of ossicle(s); SB, morphological measurements of the swimbladders; SL, standard length (mm). The systematics of catfishes generally follows that of Ferraris(Ferraris, 2007); loricariid subfamilies systematics follows Armbruster(Armbruster, 2004). The nomenclature of the sea-catfish Ariopsis seemanni follows personal communications with R. Betancur, Auburn, AL, USA, and A. Acero, Santa Marta,Colombia. Other authors put this species into the genus Sciades(Marceniuk and Menezes,2007)

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