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Teleostei >
Atheriniformes (Silversides)
銀漢魚目 (Silversides) >
Atherinidae (Silversides)
銀漢魚科 (Silversides) > Craterocephalinae
Etymology: Craterocephalus: Greek, krater, -eros = bowl, mixing vessel + Greek, kephale = head (Ref. 45335).
Eponymy: Whitley provided no etymology, but the most likely candidate is his sister Marjorie Clare Frewer née Whitley. (Ref. 128868), visit book page.
More on author: Whitley.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 24°C - 30°C (Ref. 2060)
Oceania: endemic to Australia.
大洋洲: 澳洲的特有種。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 44894); common length : 5.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 5259)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Distinguished from Craterocephalus marianae and Craterocephalus munroi
and all other members of the genus by a combination of the following: head 3.0-3.4 (3.1); greatest body depth 3.6-4.7 (4.1); least body depth 8.8-11.0 00.0); origin of pectoral fin to anus 2.7-3.1 (2.9), all in SL. Dorsal process of premaxilla 1.1-1.70.4 in eye. Midlateral scale count 28-30 (29.1); transverse scale count 5.5-6.5 (6.0); vertebral count 30-32 (31.4). Position of anus in relation to tip of pelvic fin from 0.5 scales in front to 2 scales behind tip of pelvic fin. Differs osteologically from all other Craterocephalus species by a combination of the following: shape of anterior medial process of maxilla; lack of interdorsal pterygiophores (but shared with some other members of C. eyresii group); minute anterior process usually present on cleithrum; dorsal process of cleithrum also present; basisphenoid short and thick. Differs genetically from Craterocephalus marianae at the following loci: ADA, CK, FDP, GPI-l,MPI, PGM and from C. munroi at CK, FDP, GLDH, GPI-l, MPI, PGM. Unique at GPI-lf (Ref. 26703).
與 Craterocephalus marianae 與 Craterocephalus munroi 區分了
而且組合的本屬的所有其他成員那在:之後 頭部 3.0-3.4;(3.1) 最大的體高 3.6-4.7;(4.1) 最少的體高 8.8-11.000.0); 對肛門 2.7-3.1(2.9) 的胸鰭起點, 所有的分之一標準體長。 在眼的前頜骨 1.1-1.70.4 的背部突起。 側面中央的鱗片計數 28-30;(29.1) 橫跨的鱗片計數 5.5-6.5;(6.0) 脊椎骨數 30-32.(31.4) 肛門在腹鰭的頂端後面的從在前面的 0.5個鱗片到 2個鱗片的腹鰭的相較於頂端的位置。 藉著組合骨學地不同於所有其他 Craterocephalus 種那在:之後 顎骨的前面中間突起的形狀; 缺乏間背片支鰭骨;(但是分享有一些 C. eyresii 群的其他成員) 細小的前面突起通常位於匙骨之上; 匙骨的背部突起也呈現; 基蝶骨短與厚的。 在下列的現場在遺傳基因上不同於 Craterocephalus marianae: 艾達， CK ， FDP, GPI-l ， MPI, PGM 與從 C. munroi 在 CK ， FDP ， GLDH, GPI-l ， MPI ， PGM。 獨特的在 GPI-lf.(參考文獻 26703)
Lives in clear flowing streams where it is common along the vegetated margin. Generally in shallow water over sandy or gravelly substrates. A shoal-forming species. Capable of multiple spawnings between September and January (with peak activity early in the season). It has reproduced in captivity (Ref. 44894). Feeds mostly on aquatic insects and their larvae, micro-crustaceans, algae and fish eggs (Ref. 44894).
生活在清澈的流動溪流在那裡它是普遍沿著長滿植物的邊緣。 大部份捕食水生昆蟲與他們的幼體，細小的甲殼動物與藻類。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
大洋洲: 澳洲的特有種。
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 15 February 2019
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.36 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Craterocephalus marjoriae (Marjorie\](/images/thumbnails/gif/tn_ATHERIT0.gif "Image of Craterocephalus marjoriae (Marjorie\")