Teleostei (teleosts) >
Blenniiformes (Blennies) >
Chaenopsidae (Pike-, tube- and flagblennies)
Etymology: Neoclinus: Greek,neos = new + Greek, klinein, kline = sloping and bed, due to the four apophyses of sphenoid bone (Ref. 45335); nudiceps: Name from Latin 'nudus' meaning naked, and 'caput' for head ('ceps', an adjectival derivative), refers to the apparent (but not actual) lack of cirri on the head.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 7 - 9 m (Ref. 85569). Subtropical
Northwest Pacific: Sea of Japan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.6 cm SL male/unsexed; (Ref. 85569); 4.0 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 21 - 23; Dorsal soft rays (total): 17 - 18; Anal spines: 2; Anal soft rays: 26 - 28; Vertebrae: 45 - 46. This species is distinguished from all other congeners by the following set of characters: continuous lateral-line canal with single row of pores; orbit with 2 cirri; no true ocellus on anterior part of dorsal fin; low dorsal fin, not elevated anteriorly in either sex; absence of narrow membrane along anterior edge of first dorsal-fin spine. Neoclinus nudiceps differs from Neoclinus monogrammus in having the following characters: lateral-line canal with 3-5 pores and reaching to below 3rd to 4th dorsal-fin spine (vs. 9-15 pores, reaching to below 6th to 9th dorsal-fin spine); counts of supraorbital cirri tips, the anterior and posterior cirri with 2-6 and 1-2 tips, respectively (vs. 10-28 and 3-14 tips, respectively); male with no conspicuous spots on head (vs. male color pattern on head with scattered reddish spots); body depth in proportion to standard length 13.0-15.4% (vs. 11.3-13.4%); head depth in proportion to head length 56.6-60.6% (vs. 51.2-58.0%) (Ref. 85569).
Individuals usually occupy a hole in the rocky substrate, a habit similar to that of its congeners (Ref. 85569).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Murase, A., M. Aizawa and T. Sunobe, 2010. Two new chaenopsid fishes, Neoclinus monogrammus and Neoclinus nudiceps (Teleostei: Perciformes: Blennioidei), from Japan. Species Diversity 15(2):57-70. (Ref. 85569)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00219 - 0.01260), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.7 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
