Minaya, D., Iannacone, J., 2023. First report of Pseudochauhanea mexicana (Mazocraeidea, Chauhaneidae) and Scomberocotyle scomberomori (Mazocraeidea, Thoracocotylidae) in Sphyraena ensis (Perciformes, Sphyraenidae) from the northern Peru. Arxius de Miscel·lània Zoològica, 21: 55-65, Doi: https://doi.org/10.32800/amz.2023.21.0055

Table 2: Morphometric comparison of Scomberocotyle scomberomori specimens reported in America.

Tabla 2. Comparación morfométrica de los especímenes de Scomberocotyle scomberomori registrados en América.

             
Characteristic Sphyraena ensis Scomberomorus cavalla, S. maculatus Scomberomorus cavalla Scomberomorus concolor Scomberomorus maculatus Scomberomorus sierra
Locality Tumbes, Peru Florida, Texas; USA Brasil; Colombia Sonora, Mexico  Florida, USA; Sontecomapan, Mexico Buenavista, Colombia; El Potrero, El Salvador; Sonora, Mexico; Punta Chame, Panama
Reference Presente estúdio Hargis (1956) Hayward and Rohde (1999) Hayward and Rohde (1999) Hayward and Rohde (1999) Hayward and Rohde (1999)
Nº specimens 3 5 1 1 1 14
Whole body length (µm) 6,500–7,625 5,500–6,500 6.1 2.76 2.84 1,990–4,035
Max. body width (µm) 250–305 500–700 -- -- -- --
Length of suckers (µm) 67.5–37.5 73–76 -- -- -- --
Width of suckers (µm) 37.5–82.5 47–58 -- -- -- --
Length haptor (µm) 2,200–2,800 2,200–2,400 3 1,11 1,725 1,020–2,070
N° of clamps 93–101 134 156 57 84 65–114
N° of clamps-right side 35–43 50 65 25 26 24–39
N° of clamps left side 58 84 91 32 58 41–75
Length of clamp (middle) (µm) 90–100 88–95 103 76 94 69–91
Width of clamp (middle) (µm)  65–67.5 43–68 -- -- -- --
Hamuli length (µm)  22.5–25 30 26–30 28 28–29 18–22
Pharynx length (µm) 47.5–62.5  55–67 -- -- -- --
Pharynx width (µm) 27.5–27.5 40–42 -- -- -- --
N° of testes 23–28 27–38 25–40 -- -- --
Cirrus sac length (µm) 150–187.5 110–140 -- -- -- --
Length of the anterior spines of the cirrus (µm) 14–18 12–16 10–12 8–11 13 8–15
Llength of the posterior spines of the cirrus (µm) 27.5–35 61–85 78 -- 56 53–70
Length of vagina spines (µm) 30–37.5 -- 37–39 -- 22–23 23–38
Egg length (µm) 187.5–195 94–182 -- -- -- --
Egg width (µm) 57.5–62.5 41–55 -- -- -- --