Results 91 to 100 of about 26,712 (226)

PERUBAHAN HISTOPATOLOGI JARINGAN KULIT IKAN KOMET (Carassius auratus auratus) AKIBAT INFESTASI Argulus japonicus

open access: yesJournal of Aquaculture and Fish Health, 2019
Ektoparasit merupakan salah satu penyebab menurunnya nilai jual komoditas ikan hias di Indonesia. Infestasi tingkat akut A. japonicus dapat mengakibatkan kematian dan kerugian ekonomi bagi pembudidaya.
P Renita Efa Ratna Sari   +2 more
doaj  

BIOCHEMICAL AND HISTOLOGICAL EFFECTS OF DELTAMETHRIN EXPOSURE ON THE GILLS OF CARASSIUS AURATUS GIBELIO (Pisces Cyprinidae) [PDF]

open access: yes, 2007
This study investigated the alterations in the activities of several antioxidant enzymesin the gills of the freshwater fish Carassius auratus gibelio exposed to deltamethrin.To get this goal, groups of 10 individuals were exposed for one, two, three ...
COSTACHE MARIETA   +5 more
core  

Spontaneous melanotic lesions in axillary seabream, Pagellus acarne (Risso) [PDF]

open access: yes, 2013
In this paper, we describe spontaneous melanotic lesions in the skin of axillary seabream, Pagellus acarne (Risso) from a defined area of the Portuguese Coast, located in Cabo da Roca and Foz do Arelho.
Branco, Sandra, Ramos, Paula, Victor, P
core   +1 more source

RETINOMOTOR RHYTHMS IN THE GOLDFISH, CARASSIUS AURATUS

open access: yesThe Biological Bulletin, 1967
1. The goldfish retina shows a persistent circadian rhythm. In constant darkness for three days, the cones continued to shift positions in synchrony with the diel cycle. The amplitude of the shift decreased after the first night. A maximally dark-adapted retina was obtained only on the first night.2. Individual fish showed considerable variation in the
K R, John, M, Segall, L, Zawatzky
openaire   +3 more sources

Invasion risks posed by ornamental freshwater fish trade to southeastern Brazilian rivers

open access: yesNeotropical Ichthyology
A model was developed to assess the risk of invasion of ornamental non-native fishes to six rivers in the state of Minas Gerais, southeastern Brazil, with focus on species popularity.
Andre Lincoln Barroso de Magalhaes   +1 more
doaj   +1 more source

Growth and feed utilization of goldfish (Carassius auratus) fed graded levels of brewers yeast (Saccharomyces cerevisiae) [PDF]

open access: yes, 2016
In this study, a feeding trial was conducted to examine the potential of replacing fish meal with brewers yeast in practical diet of goldfish (Carassius auratus).
Aydin, B., Gumus, E., Kanyilmaz, M.
core  

Haemolytic activity and characterization of nematocyst venom from Pelagia noctiluca (Cnidaria: Scyphozoa) [PDF]

open access: yes, 2013
We investigated the haemolytic capacity of the crude venom extracted from isolated nematocysts of Pelagia noctiluca (Cnidaria: Scyphozoa), and evidenced the proteic fractions responsible for this activity.
BENENATI, Gigliola   +9 more
core   +1 more source

Histopatologis Dugaan Edwardsiella Tarda Sebagai Penyebab Kematian Ikan Maskoki (Crassius Auratus) : Postulat Koch [PDF]

open access: yes, 2013
The aim of the study was to know the influence experimental infection of Edwardsiella tarda was isolated from sick koi fish (Cryprinus caprio) to the histologic features of liver, kidney, gill, brain, intestine and muscle in Goldfish (Carassius auratus)
Kurniasih, K. (Kurniasih)   +2 more
core  

COMPOSITION AND DIVERSITY OF COMMUNITIES OF DACTYLOGYRUS SPP. IN WILD AND FARMED GOLDFISH CARASSIUS AURATUS [PDF]

open access: yes, 2018
Species composition and diversity of dactylogyrids were compared on gills of wild and cultured goldfish (silver crucian carp) Carassius auratus from 3 naturally populated lakes and 3 stocked aquaculture ponds in the Hubei province of China to examine the
Li, Ming   +8 more
core   +1 more source

Pursuit eye movements in goldfish (Carassius auratus) [PDF]

open access: yesVision Research, 1972
Abstract Pursuit eye movements made by goldfish were investigated with an optical technique in which the horizontal orientations of both eyes were measured automatically. Moving targets were provided by: (1) a striped drum which rotated about the vertical axis concentrically with the animal's head, and (2) tangent screens on either side ...
openaire   +3 more sources

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