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Table 3 Occurrence of sealworm larvae in 12 species of marine fish from Patagonia, Argentina

From: Description, microhabitat selection and infection patterns of sealworm larvae (Pseudoterranova decipiens species complex, nematoda: ascaridoidea) in fishes from Patagonia, Argentina

Host

n

Microhabitat

Prevalence (%)

Mean abundance

Mean intensity

Range

(n sealworms collected)

(95% C.I.)

(95% C.I.)

(95% C.I.)

 

A. patachonicus (DB)*

16

Li (1), Me (2), Mu (11)

25.0 (9.0–50.0)

0.9 (0.2–2.3)

3.5 (1.5–5.5)

1–7

C. peruvianus (DB)

15

–

–

–

–

–

C. gobio (DB)

8

Mu (4)

12.5

0.5

4.0

4

G. blacodes (DB)

44

Li (2)

2.3 (0.1–12.1)

0.1 (0.0–0.1)

2.0

2

M. hubbsi (DP)

79

Me (2), Mu (1)

3.8 (1.1–10.6)

0.0 (0.0–0.1)

1.0

1

M. argentinae (DB)

2

Me (1), Mu (1)

100

1.0

1.0

1

N. bergi (DB)

32

Me (1)

3.1 (0.1–16.6)

0.0 (0.0–0.1)

1.0

1

P. ramsayi (DB)

84

–

–

–

–

–

P. isosceles (B)*

15

Me (2), Mu (9)

26.7 (9.7–53.4)

0.7 (0.1–2.3)

2.8 (1.0–5.5)

1-7

P. brasiliensis (DB)*

8

Mu (67)

25.0

8.4

33.5

29–38

P. nudigula (B)*

32

Li (1), Me (22), Mu (495)

100 (89.5–100)

16.2 (12.5–20.9)

16.2 (12.5–20.9)

1–50

P. semifasciata (DB)

31

Li (1), Mu (10)

25.8 (12.6–43.4)

0.4 (0.1–0.6)

1.4 (1.0–1.6)

1–2

R. brasiliensis (B)

16

–

–

–

–

–

S. japonicus (P)

13

Me (1)

7.7

0.1

1.0

1

S. porosa (DP)

34

–

–

–

–

–

S. brasiliensis (DP)

73

–

–

–

–

–

X. rasile (B)

29

Mu (1)

3.4 (0.2-16.8)

0.0 (0.0-0.1)

1.0

1

  1. The ecological group for each species is shown in parentheses after the host name. Ecological groups mainly assigned following Koen-Alonso et al. [62] and Romero et al. [63]. The 95% C.I. were only estimated for fish species with n ≥ 15. Abbreviations: B benthic, DB demersal–benthic, DP demersal–pelagic, Li liver, Me mesenteries, Mu muscles, P pelagic.
  2. *Sealworms molecularly identified as Pseudoterranova cattani George-Nascimento & Urrutia, 2000 (n = 3; except P. isosceles, n = 1).