Teleostei (teleosts) >
Gobiiformes (Gobies) >
Oxudercidae (Mudskippers) > Oxudercinae
Etymology: Apocryptodon: Greek, apo = outside, far away + Greek, kryptos = hidden + Greek, odous = teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Brackish; demersal. Subtropical
Northwest Pacific: endemic to Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.7 cm SL male/unsexed; (Ref. 5218)
Distinguished by the following characteristics: 3 or 4 vertical, narrow, brown bars along the sides; predorsal scales 22-33 (Ref. 5218).
Facultative air-breathing (Ref. 126274); Occurs in burrows made by the crustacean Alpheus at river mouths.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Murdy, E.O., 1989. A taxonomic revision and cladistic analysis of the oxudercine gobies (Gobiidae: Oxudercinae). Rec. Aust. Mus., Suppl. 11:1-93. (Ref. 5218)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00164 - 0.01061), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.8 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).