Nymphon diabolus   Child, 1988

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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Pycnogonida | Pantopoda | Nymphonidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; depth range 6 - 6 m (Ref. 6).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific: Polynesia (Ref. 1852).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Short description Morphology

Size: small; leg span 9.3 mm. Trunk: completely segmented, lateral processes up to twice as long as their diameters, separated by about 1.5 times their diameters, glabrous. Ocular tubercle: taller than wide, with large pigmented eyes, with apical pair of lateral tubercles half as tall as ocular tubercle itself. Abdomen: small, as tall as ocular tubercle, armed with two distal setae. Neck short, without parallel sides. Entire anterior from neck (chelifores, palps, and proboscis) reduced in size in relation to remainder of trunk and appendages. Proboscis: small, cylindrical, with rounded lips. Chelifores: small, scape curved ventrally, armed with several dorsal and distal setae not as long as segment diameter. Chela: slender, fmgers short, robust, armed with seven slender teeth on movable fmger and nine on immovable finger. Palm: with several distal setae. Oviger: distal segments from five to 10 with several lateral and distal setae as long as segment diameters. Fourth and fifth segments subequal, fifth curved, without distal pophysis. Strigilis: segments with denticulate spines with 2 lateral lobes on the proximal spines of each segment and 3 lobes on the distal spines, arranged in the formula 6:7:6:5. Terminal claw: almost as long as terminal segment, armed with six to eight endal teeth. Palp: small, slender, second segment longer than third, terminal segment 0.2 longer than fourth, both with few setae, each longer than segment diameters. Legs: long, slender, with few short setae, 2 or 3 longer dorsal and dorsodistal setae on major segments, and three sharp spines proximally, medially and distally on second tibiae ventral surface. Propodus: 2.4 times longer than tarsus, both slender, with short and long ectal setae and row of short sole spines. Claw and auxiliaries: very short, main claw only 0.23 length of propodus, auxiliaries only slightly shorter than main claw. Cement glands: not found (Ref. 6).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the class Pycnogonida are gonochoric and sexually dimorphic. During copulation, male usually suspends itself beneath the female. Fertilization occurs as the eggs leave the female's ovigers. Males brood the egg masses until they hatch. Life cycle: Eggs hatch into protonymphon larva then to adults.

Main reference References | Coordinator | Collaborators

Child, C.A. 1988. (Ref. 6)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Price category (Ref. 80766): Unknown.

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