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Lake Tanganyika cichlids — species, locations & maps

Lake Tanganyika cichlids — species, locations & maps
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Callochromis macrops 'Ndole Bay'.jpg Callochromis macrops 'Sibwesa'.jpg Callochromis macrops 'Wampembe'.jpg
Previous pageCallochromis macrops 'Wampembe'<br><font color=gray>Callochromis sp. 'Macrops Goldstreak' Wampembe</font>
Tribe / Genus: Ectodini / Callochromis
Type locality: Kinyamkolo (Mpulungu) and Mbity Rocks, Lake Tanganyika, Zambia.
Biotope: Shallow, sediment-rich habitats, often in sheltered bays and near river outlets.
Occurs at depths of approximately 1–6 m.
Water is usually less clear due to suspended sediment.
Aquatic plants such as Vallisneria spiralis, Ceratophyllum demersum and Hydrilla verticillata are often present.
Geographic distribution: Endemic to Lake Tanganyika.
Distributed along the shores of southern DR Congo, Zambia, Tanzania, and southern Burundi (south of Nyanza-Lac).
Numerous geographic color variants are known.
Typical adult size: Males up to approximately 16 cm total length.
Females markedly smaller, usually up to about 9 cm.
Sexual dimorphism: Strong sexual dimorphism.
Males grow significantly larger and are much more intensely colored than females.
Recommended aquarium size: At least 300 L.
Aquarium setup: Fine sand substrate is essential.
Provide several rocks arranged as visual barriers rather than dense rock piles.
Aquatic plants may be added to offer cover for females.
Best kept in a harem structure of one male with at least three females.
Diet: Carnivorous.
Feeds on insect larvae, small molluscs, crustaceans and other small invertebrates sifted from the sand.
In aquaria, accepts frozen foods such as mysis, daphnia and cyclops, as well as high-quality prepared foods.
Breeding: Maternal mouthbrooder.
Males construct large sand mounds (“volcano-shaped” nests), typically 20–30 cm high and around 35 cm in diameter, often built on or against rocks.
Nests are spaced roughly 2–3 meters apart in nature.
Spawning takes place on top of the mound; eggs are collected immediately by the female and fertilized using anal-fin egg dummies.
Typical brood size ranges from about 25 to 60 fry.
Aggression: Extremely aggressive within the species, especially between males.
Toward other species, aggression is comparatively moderate.
Special notes: One of the most aggressive sand-dwelling cichlids in Lake Tanganyika.

Widely distributed with many recognized geographic color variants, including well-known forms such as ‘Ndole Bay’, ‘Moliro’, and ‘Kasanga’.

Despite its aggression, the species is highly valued for its spectacular breeding behavior and striking coloration.
Fotografija:

© by African Diving Ltd

Skupina/Rod: Ectodini/Callochromis
Biotop: Plitve vode bogate s sedimentom, pogosto v kakih zalivih in ob iztokih rek. Živijo na globinah od 1 do 6 m. Zaradi sedimenta običajno voda v območjih kjer živijo ni tako kristalno čista, kot drugod v jezeru. Ponavadi so v okolju kjer živijo prisotne tudi rastline kot so Vallisneria spiralis, Ceratophyllum demersum in Hydrilla verticillata.
Običajna odrasla velikost: Zrastejo do velikosti 16 cm (samci), samice pa so za kar nekaj cm manjše (do 9 cm).
Priporočljiva velikost akvarija: 300 L
Ureditev akvarija: So precej aktivni in potrebujejo precej prostora za plavanje, zato naj bo akvarij čim večji. Na dnu naj bo droben pesek in nekaj kamnov, ki naj bodo postavljeni tako, da ustvarimo posamezne vizualne pregrade. V akvarij lahko dodamo tudi kake rastline, ki pravtako poskrbijo za zaščito samic.
Znotraj vrste so samci precej agresivni, zato je priporočljivo, da jih naselimo v manjših skupinah, ki jo sestavljajo en samec in vsaj tri samice. Tako skupino z enim samcem lahko imamo v akvariju dolžine nekje 130 cm, moramo pa zagotoviti dovolj skrivališč za samice. V primeru več samcev, je potrebno zagotoviti precej večji akvarij. Do drugih vrst pa niso preveč agresivni, zato so primerni tudi za skupinski akvarij z drugimi Tanganjika ostrižniki, ki so podobne velikosti in naseljujejo različna področja v akvariju.
Hrana: Mesojed. V naravi se hranijo z ličinkami insektov, majhnimi polžki, rakci in ostalimi manjšimi nevretenčarji. V akvariju jim ponudimo razno zmrznjeno hrano (mysis, daphnia, cyclops,...) in kvalitetno ostalo hrano v lističih, granulah...
Razmnoževanje: Ustonoša. Mladice nosi samo samica (torej je materinska ustonoša). Samec naredi gnezdo iz peska v obliki vulkana, ki je ponavadi velik nekje 20-30 cm v višino in premera 35 cm. Pogosta ta gnezda zgradi na kakih večjih kamnih kamor znosi pesek in so tako pogosto gnezda višje, kakor pa je ostalo območje. Posamezna gnezda samcev so oddaljena od 2 do 3 metrov. Na vrh tega gnezda nato samec poizkuša zvabiti samico. Če se samica odzove na vrhu tega gnezda odloži jajčeca in jih takoj pobere v usta. Samec nato s pomočjo lažne ikre "prevara" samico, da le ta poizkuša pobrati tudi to, ob tem pa iztočasno izpusti spermo in oplodi znotraj ust jajčeca, ki jih je že samica pobrala. Število mladic je ponavadi od 25 do 60.
Agresivnost: Eden izmed najbolj agresivnih ostrižnikov, ki živijo nad peščenim dnom, predvsem samci znotraj svoje vrste znajo biti zelo agresivni. Do drugih vrst so razmeroma tolerantni.
Komentar: Razširjeni so po precejšnjem delu jezera Tanganjika, tako so poznane različne geografske variante, ki se razlikujejo tudi po barvi. Nekatere od bolj znanih variant so: Callochromis macrops 'Ndole Bay' (Red Macrops), Callochromis macrops 'Moliro', Callochromis macrops 'Kasanga'...

Callochromis macrops 'Wampembe'
Fotografija: © by African Diving Ltd


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