Table 1 Pseudocaligus spp. (recently synonymised with Caligus [[14],[15]]), with fish host, geographical location and sizes

P. apodus Brian, 1924 [29]

Mugil sp. (Mugilidae) and Eugaleus galeus (Triakidae)

Mauritania

5-6

n/a

P. brevipedis Bassett-Smith, 1896 (type) [1, 28]

Motella tricirrata

UK

3.5

< female

(Lotidae, Gadiformes)

P. fistulariae Pillai, 1961 [30]

Fistularia petimba

India (Arabian Sea)

5.1

3.2

(Fistulariidae)

P. fugu Yamaguti, 1936 [31]

Takifugu spp.

Japan

3.3-3.63

(Tetraodonitidae)

P. indicus Hameed, 1977 [32]

Dactyloptena orientalis

India (Arabian Sea)

4.5

3.9

(Dactylopteridae)

P. laminatus Rangnekar, 1955 [33]

Tetrodon oblongus

India (Arabian Sea)

3.64

1.55

(Tetraodonitidae)

P. parvus Bassett-Smith, 1898 [34]

Tetrodon oblongus

India (Arabian Sea)

3.4

2.3

(Tetraodonitidae)

P. subparvus Hameed, 1977 [32]

Arothron hispidus

India (Arabian Sea)

3.5

n/a

(Tetraodonitidae)

P. uniartus Ho, Kim, Cruz-Lacierda et Nagasawa, 2004 [11]

Siganus guttatus

Philippines

2.0

1.9