分類 / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Pelvicachromis: Latin, pelvica, -ae = bassin + Greek, chromis = a fish, perhaps a perch (Ref. 45335); sacrimontis: Sacri from Latin sacer, meaning holy, and montis from Latin mons/montis meaning mountain; in total the name serves as a Latin translation for Heiligenberg, a German biologist cited by Paulo in his descriptionof the species (Ref. 119364).
Eponymy: Walter Heiligenberg (1938–1994) was a German American neuroethologist who specialised in the motivational behaviours of cichlids and crickets. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical
Africa: Niger and Cross River systems in southwestern parts of Nigeria (Ref. 119364).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 7.8 cm SL オス/雌雄の選別がない; (Ref. 119364)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 15 - 17; 背鰭 (合計) : 8 - 10; 肛門の骨: 3; 臀鰭: 6 - 8; 脊つい: 26 - 27. Diagnosis: It is a species of Pelvicachromis, distinguished from all congeners by a combination of characters as follows: it differs from Pelvicachromis taeniatus and P. subocellatus in absence of a pattern of pale blue and reddish dots on the caudal fin of adult males; it differs from P. roloffi in a broader midlateral band on the body, absence of small dots in the male caudal fin, absence of red margin with whitish to bluish submargin in the female dorsal fin; it differs from P. humilis, P. rubrolabiatus and P. signatus in absence of dark vertical bars on body; it differs from P. pulcher in a broader midlateral band on the body, usually as broad or broader than a pale yellowish band dorsal to this dark band, iridescent blueish to turquoise colouration band on cheeks and a different colouration of the dorsal fin in females; no margin, spiny portion pale to dark and dusky orange, soft parts yellowish to clear in most posterior regions vs. black margin, yellow submargin and black fin base in P. pulcher (Ref. 119364).
In aquaria, this species is a monogamous, pair bonding cave-spawner (Ref. 119364).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
In aquaria, this species is a monogamous, pair bonding cave-spawner (Ref. 119364). Eggs are guarded by both sexes, but always more intensively and more often by the female; hatching occurs after three days post-spawn; larvae are usually deposited on the bottom of the cave, rarely in other caves nearby the original cave; juveniles are free swimming eight or nine days post-hatching and guarded by both parents for about five to six weeks; breeding and guarding individuals of both sexes regularly exhibit a more prominent midlateral black stripe (Ref. 119364).
Lamboj, A. and C. Pichler, 2012. On the validity of Pelvicachromis sacrimontis Paulo, 1977 (Perciformes, Cichlidae), with designation of a neotype, and redescription of the species. Zootaxa 3436:61-68. (Ref. 119364)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
